diff --git a/.github/workflows/conformance-tests-storage-emulator.yaml b/.github/workflows/conformance-tests-storage-emulator.yaml
index ea679a96b186..7a2c50bbeb56 100644
--- a/.github/workflows/conformance-tests-storage-emulator.yaml
+++ b/.github/workflows/conformance-tests-storage-emulator.yaml
@@ -16,7 +16,7 @@ jobs:
 
     services:
       emulator:
-        image: gcr.io/cloud-devrel-public-resources/storage-testbench:v0.62.0
+        image: gcr.io/cloud-devrel-public-resources/storage-testbench:v0.63.0
         ports:
           - 9000:9000
 
diff --git a/Dialogflow/metadata/V2/AudioConfig.php b/Dialogflow/metadata/V2/AudioConfig.php
index 78723dbddf4e..4c5a680451e1 100644
--- a/Dialogflow/metadata/V2/AudioConfig.php
+++ b/Dialogflow/metadata/V2/AudioConfig.php
@@ -18,7 +18,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Api\Resource::initOnce();
         \GPBMetadata\Google\Protobuf\Duration::initOnce();
         $pool->internalAddGeneratedFile(
-            "\x0A\xF5\x1C\x0A-google/cloud/dialogflow/v2/audio_config.proto\x12\x1Agoogle.cloud.dialogflow.v2\x1A\x19google/api/resource.proto\x1A\x1Egoogle/protobuf/duration.proto\"9\x0A\x0DSpeechContext\x12\x14\x0A\x07phrases\x18\x01 \x03(\x09B\x03\xE0A\x01\x12\x12\x0A\x05boost\x18\x02 \x01(\x02B\x03\xE0A\x01\"\x92\x01\x0A\x0ESpeechWordInfo\x12\x0C\x0A\x04word\x18\x03 \x01(\x09\x12/\x0A\x0Cstart_offset\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x12-\x0A\x0Aend_offset\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\x12\x12\x0A\x0Aconfidence\x18\x04 \x01(\x02\"\xB6\x04\x0A\x10InputAudioConfig\x12F\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E2).google.cloud.dialogflow.v2.AudioEncodingB\x03\xE0A\x02\x12\x1E\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05B\x03\xE0A\x02\x12\x1A\x0A\x0Dlanguage_code\x18\x03 \x01(\x09B\x03\xE0A\x02\x12\x18\x0A\x10enable_word_info\x18\x0D \x01(\x08\x12\x18\x0A\x0Cphrase_hints\x18\x04 \x03(\x09B\x02\x18\x01\x12B\x0A\x0Fspeech_contexts\x18\x0B \x03(\x0B2).google.cloud.dialogflow.v2.SpeechContext\x12\x0D\x0A\x05model\x18\x07 \x01(\x09\x12E\x0A\x0Dmodel_variant\x18\x0A \x01(\x0E2..google.cloud.dialogflow.v2.SpeechModelVariant\x12\x18\x0A\x10single_utterance\x18\x08 \x01(\x08\x12*\x0A\"disable_no_speech_recognized_event\x18\x0E \x01(\x08\x12\$\x0A\x1Cenable_automatic_punctuation\x18\x11 \x01(\x08\x129\x0A\x0Bphrase_sets\x18\x14 \x03(\x09B\$\xFAA!\x0A\x1Fspeech.googleapis.com/PhraseSet\x12)\x0A!opt_out_conformer_model_migration\x18\x1A \x01(\x08\"p\x0A\x14VoiceSelectionParams\x12\x11\x0A\x04name\x18\x01 \x01(\x09B\x03\xE0A\x01\x12E\x0A\x0Bssml_gender\x18\x02 \x01(\x0E2+.google.cloud.dialogflow.v2.SsmlVoiceGenderB\x03\xE0A\x01\"\xA0\x02\x0A\x16SynthesizeSpeechConfig\x12\x1A\x0A\x0Dspeaking_rate\x18\x01 \x01(\x01B\x03\xE0A\x01\x12\x12\x0A\x05pitch\x18\x02 \x01(\x01B\x03\xE0A\x01\x12\x1B\x0A\x0Evolume_gain_db\x18\x03 \x01(\x01B\x03\xE0A\x01\x12\x1F\x0A\x12effects_profile_id\x18\x05 \x03(\x09B\x03\xE0A\x01\x12D\x0A\x05voice\x18\x04 \x01(\x0B20.google.cloud.dialogflow.v2.VoiceSelectionParamsB\x03\xE0A\x01\x12R\x0A\x0Epronunciations\x18\x06 \x03(\x0B25.google.cloud.dialogflow.v2.CustomPronunciationParamsB\x03\xE0A\x01\"\x96\x02\x0A\x19CustomPronunciationParams\x12\x0E\x0A\x06phrase\x18\x01 \x01(\x09\x12a\x0A\x11phonetic_encoding\x18\x02 \x01(\x0E2F.google.cloud.dialogflow.v2.CustomPronunciationParams.PhoneticEncoding\x12\x15\x0A\x0Dpronunciation\x18\x03 \x01(\x09\"o\x0A\x10PhoneticEncoding\x12!\x0A\x1DPHONETIC_ENCODING_UNSPECIFIED\x10\x00\x12\x19\x0A\x15PHONETIC_ENCODING_IPA\x10\x01\x12\x1D\x0A\x19PHONETIC_ENCODING_X_SAMPA\x10\x02\"\xD2\x01\x0A\x11OutputAudioConfig\x12L\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E2/.google.cloud.dialogflow.v2.OutputAudioEncodingB\x03\xE0A\x02\x12\x19\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05\x12T\x0A\x18synthesize_speech_config\x18\x03 \x01(\x0B22.google.cloud.dialogflow.v2.SynthesizeSpeechConfig\"U\x0A\x13TelephonyDtmfEvents\x12>\x0A\x0Bdtmf_events\x18\x01 \x03(\x0E2).google.cloud.dialogflow.v2.TelephonyDtmf\"\xE2\x02\x0A\x12SpeechToTextConfig\x12L\x0A\x14speech_model_variant\x18\x01 \x01(\x0E2..google.cloud.dialogflow.v2.SpeechModelVariant\x12\x0D\x0A\x05model\x18\x02 \x01(\x09\x129\x0A\x0Bphrase_sets\x18\x04 \x03(\x09B\$\xFAA!\x0A\x1Fspeech.googleapis.com/PhraseSet\x12A\x0A\x0Eaudio_encoding\x18\x06 \x01(\x0E2).google.cloud.dialogflow.v2.AudioEncoding\x12\x19\x0A\x11sample_rate_hertz\x18\x07 \x01(\x05\x12\x15\x0A\x0Dlanguage_code\x18\x08 \x01(\x09\x12\x18\x0A\x10enable_word_info\x18\x09 \x01(\x08\x12%\x0A\x1Duse_timeout_based_endpointing\x18\x0B \x01(\x08*\x94\x02\x0A\x0DTelephonyDtmf\x12\x1E\x0A\x1ATELEPHONY_DTMF_UNSPECIFIED\x10\x00\x12\x0C\x0A\x08DTMF_ONE\x10\x01\x12\x0C\x0A\x08DTMF_TWO\x10\x02\x12\x0E\x0A\x0ADTMF_THREE\x10\x03\x12\x0D\x0A\x09DTMF_FOUR\x10\x04\x12\x0D\x0A\x09DTMF_FIVE\x10\x05\x12\x0C\x0A\x08DTMF_SIX\x10\x06\x12\x0E\x0A\x0ADTMF_SEVEN\x10\x07\x12\x0E\x0A\x0ADTMF_EIGHT\x10\x08\x12\x0D\x0A\x09DTMF_NINE\x10\x09\x12\x0D\x0A\x09DTMF_ZERO\x10\x0A\x12\x0A\x0A\x06DTMF_A\x10\x0B\x12\x0A\x0A\x06DTMF_B\x10\x0C\x12\x0A\x0A\x06DTMF_C\x10\x0D\x12\x0A\x0A\x06DTMF_D\x10\x0E\x12\x0D\x0A\x09DTMF_STAR\x10\x0F\x12\x0E\x0A\x0ADTMF_POUND\x10\x10*\x94\x02\x0A\x0DAudioEncoding\x12\x1E\x0A\x1AAUDIO_ENCODING_UNSPECIFIED\x10\x00\x12\x1C\x0A\x18AUDIO_ENCODING_LINEAR_16\x10\x01\x12\x17\x0A\x13AUDIO_ENCODING_FLAC\x10\x02\x12\x18\x0A\x14AUDIO_ENCODING_MULAW\x10\x03\x12\x16\x0A\x12AUDIO_ENCODING_AMR\x10\x04\x12\x19\x0A\x15AUDIO_ENCODING_AMR_WB\x10\x05\x12\x1B\x0A\x17AUDIO_ENCODING_OGG_OPUS\x10\x06\x12)\x0A%AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE\x10\x07\x12\x17\x0A\x13AUDIO_ENCODING_ALAW\x10\x08*v\x0A\x12SpeechModelVariant\x12\$\x0A SPEECH_MODEL_VARIANT_UNSPECIFIED\x10\x00\x12\x16\x0A\x12USE_BEST_AVAILABLE\x10\x01\x12\x10\x0A\x0CUSE_STANDARD\x10\x02\x12\x10\x0A\x0CUSE_ENHANCED\x10\x03*\x8D\x01\x0A\x0FSsmlVoiceGender\x12!\x0A\x1DSSML_VOICE_GENDER_UNSPECIFIED\x10\x00\x12\x1A\x0A\x16SSML_VOICE_GENDER_MALE\x10\x01\x12\x1C\x0A\x18SSML_VOICE_GENDER_FEMALE\x10\x02\x12\x1D\x0A\x19SSML_VOICE_GENDER_NEUTRAL\x10\x03*\x90\x02\x0A\x13OutputAudioEncoding\x12%\x0A!OUTPUT_AUDIO_ENCODING_UNSPECIFIED\x10\x00\x12#\x0A\x1FOUTPUT_AUDIO_ENCODING_LINEAR_16\x10\x01\x12!\x0A\x19OUTPUT_AUDIO_ENCODING_MP3\x10\x02\x1A\x02\x08\x01\x12%\x0A!OUTPUT_AUDIO_ENCODING_MP3_64_KBPS\x10\x04\x12\"\x0A\x1EOUTPUT_AUDIO_ENCODING_OGG_OPUS\x10\x03\x12\x1F\x0A\x1BOUTPUT_AUDIO_ENCODING_MULAW\x10\x05\x12\x1E\x0A\x1AOUTPUT_AUDIO_ENCODING_ALAW\x10\x06B\xD3\x02\x0A\x1Ecom.google.cloud.dialogflow.v2B\x10AudioConfigProtoP\x01Z>cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb\xA2\x02\x02DF\xAA\x02\x1AGoogle.Cloud.Dialogflow.V2\xEAAU\x0A\x1Bautoml.googleapis.com/Model\x126projects/{project}/locations/{location}/models/{model}\xEAAb\x0A\x1Fspeech.googleapis.com/PhraseSet\x12?projects/{project}/locations/{location}/phraseSets/{phrase_set}b\x06proto3"
+            "\x0A\xA0\x1D\x0A-google/cloud/dialogflow/v2/audio_config.proto\x12\x1Agoogle.cloud.dialogflow.v2\x1A\x19google/api/resource.proto\x1A\x1Egoogle/protobuf/duration.proto\"9\x0A\x0DSpeechContext\x12\x14\x0A\x07phrases\x18\x01 \x03(\x09B\x03\xE0A\x01\x12\x12\x0A\x05boost\x18\x02 \x01(\x02B\x03\xE0A\x01\"\x92\x01\x0A\x0ESpeechWordInfo\x12\x0C\x0A\x04word\x18\x03 \x01(\x09\x12/\x0A\x0Cstart_offset\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x12-\x0A\x0Aend_offset\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\x12\x12\x0A\x0Aconfidence\x18\x04 \x01(\x02\"\xE1\x04\x0A\x10InputAudioConfig\x12F\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E2).google.cloud.dialogflow.v2.AudioEncodingB\x03\xE0A\x02\x12\x1E\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05B\x03\xE0A\x02\x12\x1A\x0A\x0Dlanguage_code\x18\x03 \x01(\x09B\x03\xE0A\x02\x12\x18\x0A\x10enable_word_info\x18\x0D \x01(\x08\x12\x18\x0A\x0Cphrase_hints\x18\x04 \x03(\x09B\x02\x18\x01\x12B\x0A\x0Fspeech_contexts\x18\x0B \x03(\x0B2).google.cloud.dialogflow.v2.SpeechContext\x12\x0D\x0A\x05model\x18\x07 \x01(\x09\x12E\x0A\x0Dmodel_variant\x18\x0A \x01(\x0E2..google.cloud.dialogflow.v2.SpeechModelVariant\x12\x18\x0A\x10single_utterance\x18\x08 \x01(\x08\x12)\x0A\x1Cenable_voice_activity_events\x18\x1B \x01(\x08B\x03\xE0A\x01\x12*\x0A\"disable_no_speech_recognized_event\x18\x0E \x01(\x08\x12\$\x0A\x1Cenable_automatic_punctuation\x18\x11 \x01(\x08\x129\x0A\x0Bphrase_sets\x18\x14 \x03(\x09B\$\xFAA!\x0A\x1Fspeech.googleapis.com/PhraseSet\x12)\x0A!opt_out_conformer_model_migration\x18\x1A \x01(\x08\"p\x0A\x14VoiceSelectionParams\x12\x11\x0A\x04name\x18\x01 \x01(\x09B\x03\xE0A\x01\x12E\x0A\x0Bssml_gender\x18\x02 \x01(\x0E2+.google.cloud.dialogflow.v2.SsmlVoiceGenderB\x03\xE0A\x01\"\xA0\x02\x0A\x16SynthesizeSpeechConfig\x12\x1A\x0A\x0Dspeaking_rate\x18\x01 \x01(\x01B\x03\xE0A\x01\x12\x12\x0A\x05pitch\x18\x02 \x01(\x01B\x03\xE0A\x01\x12\x1B\x0A\x0Evolume_gain_db\x18\x03 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\x01(\x0B22.google.cloud.dialogflow.v2.SynthesizeSpeechConfig\"U\x0A\x13TelephonyDtmfEvents\x12>\x0A\x0Bdtmf_events\x18\x01 \x03(\x0E2).google.cloud.dialogflow.v2.TelephonyDtmf\"\xE2\x02\x0A\x12SpeechToTextConfig\x12L\x0A\x14speech_model_variant\x18\x01 \x01(\x0E2..google.cloud.dialogflow.v2.SpeechModelVariant\x12\x0D\x0A\x05model\x18\x02 \x01(\x09\x129\x0A\x0Bphrase_sets\x18\x04 \x03(\x09B\$\xFAA!\x0A\x1Fspeech.googleapis.com/PhraseSet\x12A\x0A\x0Eaudio_encoding\x18\x06 \x01(\x0E2).google.cloud.dialogflow.v2.AudioEncoding\x12\x19\x0A\x11sample_rate_hertz\x18\x07 \x01(\x05\x12\x15\x0A\x0Dlanguage_code\x18\x08 \x01(\x09\x12\x18\x0A\x10enable_word_info\x18\x09 \x01(\x08\x12%\x0A\x1Duse_timeout_based_endpointing\x18\x0B \x01(\x08*\x94\x02\x0A\x0DTelephonyDtmf\x12\x1E\x0A\x1ATELEPHONY_DTMF_UNSPECIFIED\x10\x00\x12\x0C\x0A\x08DTMF_ONE\x10\x01\x12\x0C\x0A\x08DTMF_TWO\x10\x02\x12\x0E\x0A\x0ADTMF_THREE\x10\x03\x12\x0D\x0A\x09DTMF_FOUR\x10\x04\x12\x0D\x0A\x09DTMF_FIVE\x10\x05\x12\x0C\x0A\x08DTMF_SIX\x10\x06\x12\x0E\x0A\x0ADTMF_SEVEN\x10\x07\x12\x0E\x0A\x0ADTMF_EIGHT\x10\x08\x12\x0D\x0A\x09DTMF_NINE\x10\x09\x12\x0D\x0A\x09DTMF_ZERO\x10\x0A\x12\x0A\x0A\x06DTMF_A\x10\x0B\x12\x0A\x0A\x06DTMF_B\x10\x0C\x12\x0A\x0A\x06DTMF_C\x10\x0D\x12\x0A\x0A\x06DTMF_D\x10\x0E\x12\x0D\x0A\x09DTMF_STAR\x10\x0F\x12\x0E\x0A\x0ADTMF_POUND\x10\x10*\x94\x02\x0A\x0DAudioEncoding\x12\x1E\x0A\x1AAUDIO_ENCODING_UNSPECIFIED\x10\x00\x12\x1C\x0A\x18AUDIO_ENCODING_LINEAR_16\x10\x01\x12\x17\x0A\x13AUDIO_ENCODING_FLAC\x10\x02\x12\x18\x0A\x14AUDIO_ENCODING_MULAW\x10\x03\x12\x16\x0A\x12AUDIO_ENCODING_AMR\x10\x04\x12\x19\x0A\x15AUDIO_ENCODING_AMR_WB\x10\x05\x12\x1B\x0A\x17AUDIO_ENCODING_OGG_OPUS\x10\x06\x12)\x0A%AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE\x10\x07\x12\x17\x0A\x13AUDIO_ENCODING_ALAW\x10\x08*v\x0A\x12SpeechModelVariant\x12\$\x0A SPEECH_MODEL_VARIANT_UNSPECIFIED\x10\x00\x12\x16\x0A\x12USE_BEST_AVAILABLE\x10\x01\x12\x10\x0A\x0CUSE_STANDARD\x10\x02\x12\x10\x0A\x0CUSE_ENHANCED\x10\x03*\x8D\x01\x0A\x0FSsmlVoiceGender\x12!\x0A\x1DSSML_VOICE_GENDER_UNSPECIFIED\x10\x00\x12\x1A\x0A\x16SSML_VOICE_GENDER_MALE\x10\x01\x12\x1C\x0A\x18SSML_VOICE_GENDER_FEMALE\x10\x02\x12\x1D\x0A\x19SSML_VOICE_GENDER_NEUTRAL\x10\x03*\x90\x02\x0A\x13OutputAudioEncoding\x12%\x0A!OUTPUT_AUDIO_ENCODING_UNSPECIFIED\x10\x00\x12#\x0A\x1FOUTPUT_AUDIO_ENCODING_LINEAR_16\x10\x01\x12!\x0A\x19OUTPUT_AUDIO_ENCODING_MP3\x10\x02\x1A\x02\x08\x01\x12%\x0A!OUTPUT_AUDIO_ENCODING_MP3_64_KBPS\x10\x04\x12\"\x0A\x1EOUTPUT_AUDIO_ENCODING_OGG_OPUS\x10\x03\x12\x1F\x0A\x1BOUTPUT_AUDIO_ENCODING_MULAW\x10\x05\x12\x1E\x0A\x1AOUTPUT_AUDIO_ENCODING_ALAW\x10\x06B\xD3\x02\x0A\x1Ecom.google.cloud.dialogflow.v2B\x10AudioConfigProtoP\x01Z>cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb\xA2\x02\x02DF\xAA\x02\x1AGoogle.Cloud.Dialogflow.V2\xEAAU\x0A\x1Bautoml.googleapis.com/Model\x126projects/{project}/locations/{location}/models/{model}\xEAAb\x0A\x1Fspeech.googleapis.com/PhraseSet\x12?projects/{project}/locations/{location}/phraseSets/{phrase_set}b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/Dialogflow/metadata/V2/Conversation.php b/Dialogflow/metadata/V2/Conversation.php
index 6c57d75cc3e4..a71904af718f 100644
--- a/Dialogflow/metadata/V2/Conversation.php
+++ b/Dialogflow/metadata/V2/Conversation.php
@@ -25,7 +25,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Protobuf\Struct::initOnce();
         \GPBMetadata\Google\Protobuf\Timestamp::initOnce();
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         , true);
 
         static::$is_initialized = true;
diff --git a/Dialogflow/metadata/V2/Session.php b/Dialogflow/metadata/V2/Session.php
index cd3bf58ead74..890a1af49b97 100644
--- a/Dialogflow/metadata/V2/Session.php
+++ b/Dialogflow/metadata/V2/Session.php
@@ -28,7 +28,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Rpc\Status::initOnce();
         \GPBMetadata\Google\Type\Latlng::initOnce();
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\x03(\x0B2*.google.cloud.dialogflow.v2.SpeechWordInfo\x124\x0A\x11speech_end_offset\x18\x08 \x01(\x0B2\x19.google.protobuf.Duration\x12\x15\x0A\x0Dlanguage_code\x18\x0A \x01(\x09\"\xB6\x01\x0A\x0BMessageType\x12\x1C\x0A\x18MESSAGE_TYPE_UNSPECIFIED\x10\x00\x12\x0E\x0A\x0ATRANSCRIPT\x10\x01\x12\x0F\x0A\x0BDTMF_DIGITS\x10\x03\x12\x1B\x0A\x17END_OF_SINGLE_UTTERANCE\x10\x02\x12\x17\x0A\x13PARTIAL_DTMF_DIGITS\x10\x04\x12\x19\x0A\x15SPEECH_ACTIVITY_BEGIN\x10\x05\x12\x17\x0A\x13SPEECH_ACTIVITY_END\x10\x06\":\x0A\x09TextInput\x12\x11\x0A\x04text\x18\x01 \x01(\x09B\x03\xE0A\x02\x12\x1A\x0A\x0Dlanguage_code\x18\x02 \x01(\x09B\x03\xE0A\x02\"h\x0A\x0AEventInput\x12\x11\x0A\x04name\x18\x01 \x01(\x09B\x03\xE0A\x02\x12+\x0A\x0Aparameters\x18\x02 \x01(\x0B2\x17.google.protobuf.Struct\x12\x1A\x0A\x0Dlanguage_code\x18\x03 \x01(\x09B\x03\xE0A\x02\"F\x0A\x1ESentimentAnalysisRequestConfig\x12\$\x0A\x1Canalyze_query_text_sentiment\x18\x01 \x01(\x08\"^\x0A\x17SentimentAnalysisResult\x12C\x0A\x14query_text_sentiment\x18\x01 \x01(\x0B2%.google.cloud.dialogflow.v2.Sentiment\"-\x0A\x09Sentiment\x12\x0D\x0A\x05score\x18\x01 \x01(\x02\x12\x11\x0A\x09magnitude\x18\x02 \x01(\x022\xE5\x05\x0A\x08Sessions\x12\xC9\x03\x0A\x0CDetectIntent\x12/.google.cloud.dialogflow.v2.DetectIntentRequest\x1A0.google.cloud.dialogflow.v2.DetectIntentResponse\"\xD5\x02\xDAA\x13session,query_input\x82\xD3\xE4\x93\x02\xB8\x02\"6/v2/{session=projects/*/agent/sessions/*}:detectIntent:\x01*ZR\"M/v2/{session=projects/*/agent/environments/*/users/*/sessions/*}:detectIntent:\x01*ZG\"B/v2/{session=projects/*/locations/*/agent/sessions/*}:detectIntent:\x01*Z^\"Y/v2/{session=projects/*/locations/*/agent/environments/*/users/*/sessions/*}:detectIntent:\x01*\x12\x92\x01\x0A\x15StreamingDetectIntent\x128.google.cloud.dialogflow.v2.StreamingDetectIntentRequest\x1A9.google.cloud.dialogflow.v2.StreamingDetectIntentResponse\"\x00(\x010\x01\x1Ax\xCAA\x19dialogflow.googleapis.com\xD2AYhttps://www.googleapis.com/auth/cloud-platform,https://www.googleapis.com/auth/dialogflowB\xE7\x03\x0A\x1Ecom.google.cloud.dialogflow.v2B\x0CSessionProtoP\x01Z>cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb\xA2\x02\x02DF\xAA\x02\x1AGoogle.Cloud.Dialogflow.V2\xEAA\xD1\x02\x0A!dialogflow.googleapis.com/Session\x12+projects/{project}/agent/sessions/{session}\x12Sprojects/{project}/agent/environments/{environment}/users/{user}/sessions/{session}\x12@projects/{project}/locations/{location}/agent/sessions/{session}\x12hprojects/{project}/locations/{location}/agent/environments/{environment}/users/{user}/sessions/{session}b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/Dialogflow/metadata/V2/ToolCall.php b/Dialogflow/metadata/V2/ToolCall.php
index b7d6c738c7e2..d7eb711e6160 100644
--- a/Dialogflow/metadata/V2/ToolCall.php
+++ b/Dialogflow/metadata/V2/ToolCall.php
@@ -19,7 +19,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Protobuf\Struct::initOnce();
         \GPBMetadata\Google\Protobuf\Timestamp::initOnce();
         $pool->internalAddGeneratedFile(
-            "\x0A\x90\x0B\x0A*google/cloud/dialogflow/v2/tool_call.proto\x12\x1Agoogle.cloud.dialogflow.v2\x1A\x19google/api/resource.proto\x1A\x1Cgoogle/protobuf/struct.proto\x1A\x1Fgoogle/protobuf/timestamp.proto\"\xD8\x04\x0A\x08ToolCall\x126\x0A\x04tool\x18\x01 \x01(\x09B&\xE0A\x01\xFAA \x0A\x1Edialogflow.googleapis.com/ToolH\x00\x123\x0A\x08ces_tool\x18\x0B \x01(\x09B\x1F\xE0A\x01\xFAA\x19\x0A\x17ces.googleapis.com/ToolH\x00\x129\x0A\x0Bces_toolset\x18\x0C \x01(\x09B\"\xE0A\x01\xFAA\x1C\x0A\x1Aces.googleapis.com/ToolsetH\x00\x121\x0A\x07ces_app\x18\x08 \x01(\x09B\x1E\xE0A\x01\xFAA\x18\x0A\x16ces.googleapis.com/AppH\x00\x12\x1E\x0A\x11tool_display_name\x18\x09 \x01(\x09B\x03\xE0A\x01\x12!\x0A\x14tool_display_details\x18\x0A \x01(\x09B\x03\xE0A\x01\x12\x13\x0A\x06action\x18\x02 \x01(\x09B\x03\xE0A\x01\x126\x0A\x10input_parameters\x18\x03 \x01(\x0B2\x17.google.protobuf.StructB\x03\xE0A\x01\x124\x0A\x0Bcreate_time\x18\x04 \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x12\x1A\x0A\x0Danswer_record\x18\x06 \x01(\x09B\x03\xE0A\x01\x12>\x0A\x05state\x18\x07 \x01(\x0E2*.google.cloud.dialogflow.v2.ToolCall.StateB\x03\xE0A\x03\"E\x0A\x05State\x12\x15\x0A\x11STATE_UNSPECIFIED\x10\x00\x12\x0D\x0A\x09TRIGGERED\x10\x01\x12\x16\x0A\x12NEEDS_CONFIRMATION\x10\x02B\x08\x0A\x06source\"\xF2\x03\x0A\x0EToolCallResult\x126\x0A\x04tool\x18\x01 \x01(\x09B&\xE0A\x01\xFAA \x0A\x1Edialogflow.googleapis.com/ToolH\x00\x129\x0A\x0Bces_toolset\x18\x0D \x01(\x09B\"\xE0A\x01\xFAA\x1C\x0A\x1Aces.googleapis.com/ToolsetH\x00\x123\x0A\x08ces_tool\x18\x0C \x01(\x09B\x1F\xE0A\x01\xFAA\x19\x0A\x17ces.googleapis.com/ToolH\x00\x121\x0A\x07ces_app\x18\x0B \x01(\x09B\x1E\xE0A\x01\xFAA\x18\x0A\x16ces.googleapis.com/AppH\x00\x12\x13\x0A\x06action\x18\x02 \x01(\x09B\x03\xE0A\x01\x12A\x0A\x05error\x18\x03 \x01(\x0B20.google.cloud.dialogflow.v2.ToolCallResult.ErrorH\x01\x12\x15\x0A\x0Braw_content\x18\x05 \x01(\x0CH\x01\x12\x11\x0A\x07content\x18\x06 \x01(\x09H\x01\x124\x0A\x0Bcreate_time\x18\x07 \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x12\x1A\x0A\x0Danswer_record\x18\x09 \x01(\x09B\x03\xE0A\x01\x1A\x1D\x0A\x05Error\x12\x14\x0A\x07message\x18\x01 \x01(\x09B\x03\xE0A\x01B\x08\x0A\x06sourceB\x08\x0A\x06resultB\x93\x01\x0A\x1Ecom.google.cloud.dialogflow.v2B\x0DToolCallProtoP\x01Z>cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb\xA2\x02\x02DF\xAA\x02\x1AGoogle.Cloud.Dialogflow.V2b\x06proto3"
+            "\x0A\x9F\x0B\x0A*google/cloud/dialogflow/v2/tool_call.proto\x12\x1Agoogle.cloud.dialogflow.v2\x1A\x19google/api/resource.proto\x1A\x1Cgoogle/protobuf/struct.proto\x1A\x1Fgoogle/protobuf/timestamp.proto\"\xD8\x04\x0A\x08ToolCall\x126\x0A\x04tool\x18\x01 \x01(\x09B&\xE0A\x01\xFAA \x0A\x1Edialogflow.googleapis.com/ToolH\x00\x123\x0A\x08ces_tool\x18\x0B \x01(\x09B\x1F\xE0A\x01\xFAA\x19\x0A\x17ces.googleapis.com/ToolH\x00\x129\x0A\x0Bces_toolset\x18\x0C \x01(\x09B\"\xE0A\x01\xFAA\x1C\x0A\x1Aces.googleapis.com/ToolsetH\x00\x121\x0A\x07ces_app\x18\x08 \x01(\x09B\x1E\xE0A\x01\xFAA\x18\x0A\x16ces.googleapis.com/AppH\x00\x12\x1E\x0A\x11tool_display_name\x18\x09 \x01(\x09B\x03\xE0A\x01\x12!\x0A\x14tool_display_details\x18\x0A \x01(\x09B\x03\xE0A\x01\x12\x13\x0A\x06action\x18\x02 \x01(\x09B\x03\xE0A\x01\x126\x0A\x10input_parameters\x18\x03 \x01(\x0B2\x17.google.protobuf.StructB\x03\xE0A\x01\x124\x0A\x0Bcreate_time\x18\x04 \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x12\x1A\x0A\x0Danswer_record\x18\x06 \x01(\x09B\x03\xE0A\x01\x12>\x0A\x05state\x18\x07 \x01(\x0E2*.google.cloud.dialogflow.v2.ToolCall.StateB\x03\xE0A\x03\"E\x0A\x05State\x12\x15\x0A\x11STATE_UNSPECIFIED\x10\x00\x12\x0D\x0A\x09TRIGGERED\x10\x01\x12\x16\x0A\x12NEEDS_CONFIRMATION\x10\x02B\x08\x0A\x06source\"\x81\x04\x0A\x0EToolCallResult\x126\x0A\x04tool\x18\x01 \x01(\x09B&\xE0A\x01\xFAA \x0A\x1Edialogflow.googleapis.com/ToolH\x00\x129\x0A\x0Bces_toolset\x18\x0D \x01(\x09B\"\xE0A\x01\xFAA\x1C\x0A\x1Aces.googleapis.com/ToolsetH\x00\x123\x0A\x08ces_tool\x18\x0C \x01(\x09B\x1F\xE0A\x01\xFAA\x19\x0A\x17ces.googleapis.com/ToolH\x00\x121\x0A\x07ces_app\x18\x0B \x01(\x09B\x1E\xE0A\x01\xFAA\x18\x0A\x16ces.googleapis.com/AppH\x00\x12\x13\x0A\x06action\x18\x02 \x01(\x09B\x03\xE0A\x01\x12F\x0A\x05error\x18\x03 \x01(\x0B20.google.cloud.dialogflow.v2.ToolCallResult.ErrorB\x03\xE0A\x01H\x01\x12\x1A\x0A\x0Braw_content\x18\x05 \x01(\x0CB\x03\xE0A\x01H\x01\x12\x16\x0A\x07content\x18\x06 \x01(\x09B\x03\xE0A\x01H\x01\x124\x0A\x0Bcreate_time\x18\x07 \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x12\x1A\x0A\x0Danswer_record\x18\x09 \x01(\x09B\x03\xE0A\x01\x1A\x1D\x0A\x05Error\x12\x14\x0A\x07message\x18\x01 \x01(\x09B\x03\xE0A\x01B\x08\x0A\x06sourceB\x08\x0A\x06resultB\x93\x01\x0A\x1Ecom.google.cloud.dialogflow.v2B\x0DToolCallProtoP\x01Z>cloud.google.com/go/dialogflow/apiv2/dialogflowpb;dialogflowpb\xA2\x02\x02DF\xAA\x02\x1AGoogle.Cloud.Dialogflow.V2b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/Dialogflow/src/V2/InputAudioConfig.php b/Dialogflow/src/V2/InputAudioConfig.php
index 7f233f8d5f40..db794454462d 100644
--- a/Dialogflow/src/V2/InputAudioConfig.php
+++ b/Dialogflow/src/V2/InputAudioConfig.php
@@ -106,6 +106,14 @@ class InputAudioConfig extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>bool single_utterance = 8;</code>
      */
     protected $single_utterance = false;
+    /**
+     * Optional. If `true`, responses with voice activity speech events will be
+     * returned as they are detected.
+     * Note: This setting is relevant only for streaming methods.
+     *
+     * Generated from protobuf field <code>bool enable_voice_activity_events = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    protected $enable_voice_activity_events = false;
     /**
      * Only used in
      * [Participants.AnalyzeContent][google.cloud.dialogflow.v2.Participants.AnalyzeContent]
@@ -199,6 +207,10 @@ class InputAudioConfig extends \Google\Protobuf\Internal\Message
      *           Note: This setting is relevant only for streaming methods.
      *           Note: When specified, InputAudioConfig.single_utterance takes precedence
      *           over StreamingDetectIntentRequest.single_utterance.
+     *     @type bool $enable_voice_activity_events
+     *           Optional. If `true`, responses with voice activity speech events will be
+     *           returned as they are detected.
+     *           Note: This setting is relevant only for streaming methods.
      *     @type bool $disable_no_speech_recognized_event
      *           Only used in
      *           [Participants.AnalyzeContent][google.cloud.dialogflow.v2.Participants.AnalyzeContent]
@@ -536,6 +548,36 @@ public function setSingleUtterance($var)
         return $this;
     }
 
+    /**
+     * Optional. If `true`, responses with voice activity speech events will be
+     * returned as they are detected.
+     * Note: This setting is relevant only for streaming methods.
+     *
+     * Generated from protobuf field <code>bool enable_voice_activity_events = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return bool
+     */
+    public function getEnableVoiceActivityEvents()
+    {
+        return $this->enable_voice_activity_events;
+    }
+
+    /**
+     * Optional. If `true`, responses with voice activity speech events will be
+     * returned as they are detected.
+     * Note: This setting is relevant only for streaming methods.
+     *
+     * Generated from protobuf field <code>bool enable_voice_activity_events = 27 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setEnableVoiceActivityEvents($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->enable_voice_activity_events = $var;
+
+        return $this;
+    }
+
     /**
      * Only used in
      * [Participants.AnalyzeContent][google.cloud.dialogflow.v2.Participants.AnalyzeContent]
diff --git a/Dialogflow/src/V2/SearchKnowledgeDebugInfo.php b/Dialogflow/src/V2/SearchKnowledgeDebugInfo.php
index 6e8887ae08c7..b85cee4ab0b7 100644
--- a/Dialogflow/src/V2/SearchKnowledgeDebugInfo.php
+++ b/Dialogflow/src/V2/SearchKnowledgeDebugInfo.php
@@ -40,6 +40,12 @@ class SearchKnowledgeDebugInfo extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>.google.cloud.dialogflow.v2.ServiceLatency service_latency = 4;</code>
      */
     protected $service_latency = null;
+    /**
+     * Optional. Debug info from the Customer Engagement Suite (CES) execution.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Struct ces_debug_info = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    protected $ces_debug_info = null;
 
     /**
      * Constructor.
@@ -56,6 +62,8 @@ class SearchKnowledgeDebugInfo extends \Google\Protobuf\Internal\Message
      *           Information about parameters ingested for search knowledge.
      *     @type \Google\Cloud\Dialogflow\V2\ServiceLatency $service_latency
      *           The latency of the service.
+     *     @type \Google\Protobuf\Struct $ces_debug_info
+     *           Optional. Debug info from the Customer Engagement Suite (CES) execution.
      * }
      */
     public function __construct($data = NULL) {
@@ -199,5 +207,41 @@ public function setServiceLatency($var)
         return $this;
     }
 
+    /**
+     * Optional. Debug info from the Customer Engagement Suite (CES) execution.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Struct ces_debug_info = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return \Google\Protobuf\Struct|null
+     */
+    public function getCesDebugInfo()
+    {
+        return $this->ces_debug_info;
+    }
+
+    public function hasCesDebugInfo()
+    {
+        return isset($this->ces_debug_info);
+    }
+
+    public function clearCesDebugInfo()
+    {
+        unset($this->ces_debug_info);
+    }
+
+    /**
+     * Optional. Debug info from the Customer Engagement Suite (CES) execution.
+     *
+     * Generated from protobuf field <code>.google.protobuf.Struct ces_debug_info = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param \Google\Protobuf\Struct $var
+     * @return $this
+     */
+    public function setCesDebugInfo($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Protobuf\Struct::class);
+        $this->ces_debug_info = $var;
+
+        return $this;
+    }
+
 }
 
diff --git a/Dialogflow/src/V2/StreamingRecognitionResult/MessageType.php b/Dialogflow/src/V2/StreamingRecognitionResult/MessageType.php
index d62c45eb6020..1dae82d484eb 100644
--- a/Dialogflow/src/V2/StreamingRecognitionResult/MessageType.php
+++ b/Dialogflow/src/V2/StreamingRecognitionResult/MessageType.php
@@ -25,6 +25,12 @@ class MessageType
      * Generated from protobuf enum <code>TRANSCRIPT = 1;</code>
      */
     const TRANSCRIPT = 1;
+    /**
+     * Message contains DTMF digits.
+     *
+     * Generated from protobuf enum <code>DTMF_DIGITS = 3;</code>
+     */
+    const DTMF_DIGITS = 3;
     /**
      * This event indicates that the server has detected the end of the user's
      * speech utterance and expects no additional inputs.
@@ -38,11 +44,39 @@ class MessageType
      * Generated from protobuf enum <code>END_OF_SINGLE_UTTERANCE = 2;</code>
      */
     const END_OF_SINGLE_UTTERANCE = 2;
+    /**
+     * Message contains DTMF digits. Before a message with DTMF_DIGITS is sent,
+     * a message with PARTIAL_DTMF_DIGITS may be sent with DTMF digits collected
+     * up to the time of sending, which represents an intermediate result.
+     *
+     * Generated from protobuf enum <code>PARTIAL_DTMF_DIGITS = 4;</code>
+     */
+    const PARTIAL_DTMF_DIGITS = 4;
+    /**
+     * This event indicates that the server has detected the beginning of human
+     * voice activity in the stream. This event can be returned multiple times
+     * if speech starts and stops repeatedly throughout the stream.
+     *
+     * Generated from protobuf enum <code>SPEECH_ACTIVITY_BEGIN = 5;</code>
+     */
+    const SPEECH_ACTIVITY_BEGIN = 5;
+    /**
+     * This event indicates that the server has detected the end of human voice
+     * activity in the stream. This event can be returned multiple times if
+     * speech starts and stops repeatedly throughout the stream.
+     *
+     * Generated from protobuf enum <code>SPEECH_ACTIVITY_END = 6;</code>
+     */
+    const SPEECH_ACTIVITY_END = 6;
 
     private static $valueToName = [
         self::MESSAGE_TYPE_UNSPECIFIED => 'MESSAGE_TYPE_UNSPECIFIED',
         self::TRANSCRIPT => 'TRANSCRIPT',
+        self::DTMF_DIGITS => 'DTMF_DIGITS',
         self::END_OF_SINGLE_UTTERANCE => 'END_OF_SINGLE_UTTERANCE',
+        self::PARTIAL_DTMF_DIGITS => 'PARTIAL_DTMF_DIGITS',
+        self::SPEECH_ACTIVITY_BEGIN => 'SPEECH_ACTIVITY_BEGIN',
+        self::SPEECH_ACTIVITY_END => 'SPEECH_ACTIVITY_END',
     ];
 
     public static function name($value)
diff --git a/Dialogflow/src/V2/ToolCallResult.php b/Dialogflow/src/V2/ToolCallResult.php
index 065ac453f0e8..e730627b8021 100644
--- a/Dialogflow/src/V2/ToolCallResult.php
+++ b/Dialogflow/src/V2/ToolCallResult.php
@@ -61,12 +61,12 @@ class ToolCallResult extends \Google\Protobuf\Internal\Message
      *     @type string $action
      *           Optional. The name of the tool's action associated with this call.
      *     @type \Google\Cloud\Dialogflow\V2\ToolCallResult\Error $error
-     *           The tool call's error.
+     *           Optional. The tool call's error.
      *     @type string $raw_content
-     *           Only populated if the response content is not utf-8 encoded.
+     *           Optional. Only populated if the response content is not utf-8 encoded.
      *           (by definition byte fields are base64 encoded).
      *     @type string $content
-     *           Only populated if the response content is utf-8 encoded.
+     *           Optional. Only populated if the response content is utf-8 encoded.
      *     @type \Google\Protobuf\Timestamp $create_time
      *           Output only. Create time of the tool call result.
      *     @type string $answer_record
@@ -245,9 +245,9 @@ public function setAction($var)
     }
 
     /**
-     * The tool call's error.
+     * Optional. The tool call's error.
      *
-     * Generated from protobuf field <code>.google.cloud.dialogflow.v2.ToolCallResult.Error error = 3;</code>
+     * Generated from protobuf field <code>.google.cloud.dialogflow.v2.ToolCallResult.Error error = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @return \Google\Cloud\Dialogflow\V2\ToolCallResult\Error|null
      */
     public function getError()
@@ -261,9 +261,9 @@ public function hasError()
     }
 
     /**
-     * The tool call's error.
+     * Optional. The tool call's error.
      *
-     * Generated from protobuf field <code>.google.cloud.dialogflow.v2.ToolCallResult.Error error = 3;</code>
+     * Generated from protobuf field <code>.google.cloud.dialogflow.v2.ToolCallResult.Error error = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @param \Google\Cloud\Dialogflow\V2\ToolCallResult\Error $var
      * @return $this
      */
@@ -276,10 +276,10 @@ public function setError($var)
     }
 
     /**
-     * Only populated if the response content is not utf-8 encoded.
+     * Optional. Only populated if the response content is not utf-8 encoded.
      * (by definition byte fields are base64 encoded).
      *
-     * Generated from protobuf field <code>bytes raw_content = 5;</code>
+     * Generated from protobuf field <code>bytes raw_content = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @return string
      */
     public function getRawContent()
@@ -293,10 +293,10 @@ public function hasRawContent()
     }
 
     /**
-     * Only populated if the response content is not utf-8 encoded.
+     * Optional. Only populated if the response content is not utf-8 encoded.
      * (by definition byte fields are base64 encoded).
      *
-     * Generated from protobuf field <code>bytes raw_content = 5;</code>
+     * Generated from protobuf field <code>bytes raw_content = 5 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @param string $var
      * @return $this
      */
@@ -309,9 +309,9 @@ public function setRawContent($var)
     }
 
     /**
-     * Only populated if the response content is utf-8 encoded.
+     * Optional. Only populated if the response content is utf-8 encoded.
      *
-     * Generated from protobuf field <code>string content = 6;</code>
+     * Generated from protobuf field <code>string content = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @return string
      */
     public function getContent()
@@ -325,9 +325,9 @@ public function hasContent()
     }
 
     /**
-     * Only populated if the response content is utf-8 encoded.
+     * Optional. Only populated if the response content is utf-8 encoded.
      *
-     * Generated from protobuf field <code>string content = 6;</code>
+     * Generated from protobuf field <code>string content = 6 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @param string $var
      * @return $this
      */
diff --git a/DialogflowCx/metadata/V3/AudioConfig.php b/DialogflowCx/metadata/V3/AudioConfig.php
index 6f189ffa8884..ae87bfaffdea 100644
--- a/DialogflowCx/metadata/V3/AudioConfig.php
+++ b/DialogflowCx/metadata/V3/AudioConfig.php
@@ -18,7 +18,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Api\Resource::initOnce();
         \GPBMetadata\Google\Protobuf\Duration::initOnce();
         $pool->internalAddGeneratedFile(
-            "\x0A\xF6\x14\x0A0google/cloud/dialogflow/cx/v3/audio_config.proto\x12\x1Dgoogle.cloud.dialogflow.cx.v3\x1A\x19google/api/resource.proto\x1A\x1Egoogle/protobuf/duration.proto\"\x92\x01\x0A\x0ESpeechWordInfo\x12\x0C\x0A\x04word\x18\x03 \x01(\x09\x12/\x0A\x0Cstart_offset\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x12-\x0A\x0Aend_offset\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\x12\x12\x0A\x0Aconfidence\x18\x04 \x01(\x02\"{\x0A\x0DBargeInConfig\x127\x0A\x14no_barge_in_duration\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x121\x0A\x0Etotal_duration\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\"\x8D\x03\x0A\x10InputAudioConfig\x12I\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E2,.google.cloud.dialogflow.cx.v3.AudioEncodingB\x03\xE0A\x02\x12\x19\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05\x12\x18\x0A\x10enable_word_info\x18\x0D \x01(\x08\x12\x14\x0A\x0Cphrase_hints\x18\x04 \x03(\x09\x12\x0D\x0A\x05model\x18\x07 \x01(\x09\x12H\x0A\x0Dmodel_variant\x18\x0A \x01(\x0E21.google.cloud.dialogflow.cx.v3.SpeechModelVariant\x12\x18\x0A\x10single_utterance\x18\x08 \x01(\x08\x12E\x0A\x0Fbarge_in_config\x18\x0F \x01(\x0B2,.google.cloud.dialogflow.cx.v3.BargeInConfig\x12)\x0A!opt_out_conformer_model_migration\x18\x1A \x01(\x08\"i\x0A\x14VoiceSelectionParams\x12\x0C\x0A\x04name\x18\x01 \x01(\x09\x12C\x0A\x0Bssml_gender\x18\x02 \x01(\x0E2..google.cloud.dialogflow.cx.v3.SsmlVoiceGender\"\xB6\x01\x0A\x16SynthesizeSpeechConfig\x12\x15\x0A\x0Dspeaking_rate\x18\x01 \x01(\x01\x12\x0D\x0A\x05pitch\x18\x02 \x01(\x01\x12\x16\x0A\x0Evolume_gain_db\x18\x03 \x01(\x01\x12\x1A\x0A\x12effects_profile_id\x18\x05 \x03(\x09\x12B\x0A\x05voice\x18\x04 \x01(\x0B23.google.cloud.dialogflow.cx.v3.VoiceSelectionParams\"\xD8\x01\x0A\x11OutputAudioConfig\x12O\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E22.google.cloud.dialogflow.cx.v3.OutputAudioEncodingB\x03\xE0A\x02\x12\x19\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05\x12W\x0A\x18synthesize_speech_config\x18\x03 \x01(\x0B25.google.cloud.dialogflow.cx.v3.SynthesizeSpeechConfig\"\x82\x02\x0A\x14TextToSpeechSettings\x12s\x0A\x19synthesize_speech_configs\x18\x01 \x03(\x0B2P.google.cloud.dialogflow.cx.v3.TextToSpeechSettings.SynthesizeSpeechConfigsEntry\x1Au\x0A\x1CSynthesizeSpeechConfigsEntry\x12\x0B\x0A\x03key\x18\x01 \x01(\x09\x12D\x0A\x05value\x18\x02 \x01(\x0B25.google.cloud.dialogflow.cx.v3.SynthesizeSpeechConfig:\x028\x01*\x94\x02\x0A\x0DAudioEncoding\x12\x1E\x0A\x1AAUDIO_ENCODING_UNSPECIFIED\x10\x00\x12\x1C\x0A\x18AUDIO_ENCODING_LINEAR_16\x10\x01\x12\x17\x0A\x13AUDIO_ENCODING_FLAC\x10\x02\x12\x18\x0A\x14AUDIO_ENCODING_MULAW\x10\x03\x12\x16\x0A\x12AUDIO_ENCODING_AMR\x10\x04\x12\x19\x0A\x15AUDIO_ENCODING_AMR_WB\x10\x05\x12\x1B\x0A\x17AUDIO_ENCODING_OGG_OPUS\x10\x06\x12)\x0A%AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE\x10\x07\x12\x17\x0A\x13AUDIO_ENCODING_ALAW\x10\x08*v\x0A\x12SpeechModelVariant\x12\$\x0A SPEECH_MODEL_VARIANT_UNSPECIFIED\x10\x00\x12\x16\x0A\x12USE_BEST_AVAILABLE\x10\x01\x12\x10\x0A\x0CUSE_STANDARD\x10\x02\x12\x10\x0A\x0CUSE_ENHANCED\x10\x03*\x8D\x01\x0A\x0FSsmlVoiceGender\x12!\x0A\x1DSSML_VOICE_GENDER_UNSPECIFIED\x10\x00\x12\x1A\x0A\x16SSML_VOICE_GENDER_MALE\x10\x01\x12\x1C\x0A\x18SSML_VOICE_GENDER_FEMALE\x10\x02\x12\x1D\x0A\x19SSML_VOICE_GENDER_NEUTRAL\x10\x03*\x8C\x02\x0A\x13OutputAudioEncoding\x12%\x0A!OUTPUT_AUDIO_ENCODING_UNSPECIFIED\x10\x00\x12#\x0A\x1FOUTPUT_AUDIO_ENCODING_LINEAR_16\x10\x01\x12\x1D\x0A\x19OUTPUT_AUDIO_ENCODING_MP3\x10\x02\x12%\x0A!OUTPUT_AUDIO_ENCODING_MP3_64_KBPS\x10\x04\x12\"\x0A\x1EOUTPUT_AUDIO_ENCODING_OGG_OPUS\x10\x03\x12\x1F\x0A\x1BOUTPUT_AUDIO_ENCODING_MULAW\x10\x05\x12\x1E\x0A\x1AOUTPUT_AUDIO_ENCODING_ALAW\x10\x06B\x8B\x02\x0A!com.google.cloud.dialogflow.cx.v3B\x10AudioConfigProtoP\x01Z1cloud.google.com/go/dialogflow/cx/apiv3/cxpb;cxpb\xA2\x02\x02DF\xAA\x02\x1DGoogle.Cloud.Dialogflow.Cx.V3\xEA\x02!Google::Cloud::Dialogflow::CX::V3\xEAAU\x0A\x1Bautoml.googleapis.com/Model\x126projects/{project}/locations/{location}/models/{model}b\x06proto3"
+            "\x0A\xFA\x14\x0A0google/cloud/dialogflow/cx/v3/audio_config.proto\x12\x1Dgoogle.cloud.dialogflow.cx.v3\x1A\x19google/api/resource.proto\x1A\x1Egoogle/protobuf/duration.proto\"\x92\x01\x0A\x0ESpeechWordInfo\x12\x0C\x0A\x04word\x18\x03 \x01(\x09\x12/\x0A\x0Cstart_offset\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x12-\x0A\x0Aend_offset\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\x12\x12\x0A\x0Aconfidence\x18\x04 \x01(\x02\"{\x0A\x0DBargeInConfig\x127\x0A\x14no_barge_in_duration\x18\x01 \x01(\x0B2\x19.google.protobuf.Duration\x121\x0A\x0Etotal_duration\x18\x02 \x01(\x0B2\x19.google.protobuf.Duration\"\x8D\x03\x0A\x10InputAudioConfig\x12I\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E2,.google.cloud.dialogflow.cx.v3.AudioEncodingB\x03\xE0A\x02\x12\x19\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05\x12\x18\x0A\x10enable_word_info\x18\x0D \x01(\x08\x12\x14\x0A\x0Cphrase_hints\x18\x04 \x03(\x09\x12\x0D\x0A\x05model\x18\x07 \x01(\x09\x12H\x0A\x0Dmodel_variant\x18\x0A \x01(\x0E21.google.cloud.dialogflow.cx.v3.SpeechModelVariant\x12\x18\x0A\x10single_utterance\x18\x08 \x01(\x08\x12E\x0A\x0Fbarge_in_config\x18\x0F \x01(\x0B2,.google.cloud.dialogflow.cx.v3.BargeInConfig\x12)\x0A!opt_out_conformer_model_migration\x18\x1A \x01(\x08\"i\x0A\x14VoiceSelectionParams\x12\x0C\x0A\x04name\x18\x01 \x01(\x09\x12C\x0A\x0Bssml_gender\x18\x02 \x01(\x0E2..google.cloud.dialogflow.cx.v3.SsmlVoiceGender\"\xB6\x01\x0A\x16SynthesizeSpeechConfig\x12\x15\x0A\x0Dspeaking_rate\x18\x01 \x01(\x01\x12\x0D\x0A\x05pitch\x18\x02 \x01(\x01\x12\x16\x0A\x0Evolume_gain_db\x18\x03 \x01(\x01\x12\x1A\x0A\x12effects_profile_id\x18\x05 \x03(\x09\x12B\x0A\x05voice\x18\x04 \x01(\x0B23.google.cloud.dialogflow.cx.v3.VoiceSelectionParams\"\xD8\x01\x0A\x11OutputAudioConfig\x12O\x0A\x0Eaudio_encoding\x18\x01 \x01(\x0E22.google.cloud.dialogflow.cx.v3.OutputAudioEncodingB\x03\xE0A\x02\x12\x19\x0A\x11sample_rate_hertz\x18\x02 \x01(\x05\x12W\x0A\x18synthesize_speech_config\x18\x03 \x01(\x0B25.google.cloud.dialogflow.cx.v3.SynthesizeSpeechConfig\"\x82\x02\x0A\x14TextToSpeechSettings\x12s\x0A\x19synthesize_speech_configs\x18\x01 \x03(\x0B2P.google.cloud.dialogflow.cx.v3.TextToSpeechSettings.SynthesizeSpeechConfigsEntry\x1Au\x0A\x1CSynthesizeSpeechConfigsEntry\x12\x0B\x0A\x03key\x18\x01 \x01(\x09\x12D\x0A\x05value\x18\x02 \x01(\x0B25.google.cloud.dialogflow.cx.v3.SynthesizeSpeechConfig:\x028\x01*\x94\x02\x0A\x0DAudioEncoding\x12\x1E\x0A\x1AAUDIO_ENCODING_UNSPECIFIED\x10\x00\x12\x1C\x0A\x18AUDIO_ENCODING_LINEAR_16\x10\x01\x12\x17\x0A\x13AUDIO_ENCODING_FLAC\x10\x02\x12\x18\x0A\x14AUDIO_ENCODING_MULAW\x10\x03\x12\x16\x0A\x12AUDIO_ENCODING_AMR\x10\x04\x12\x19\x0A\x15AUDIO_ENCODING_AMR_WB\x10\x05\x12\x1B\x0A\x17AUDIO_ENCODING_OGG_OPUS\x10\x06\x12)\x0A%AUDIO_ENCODING_SPEEX_WITH_HEADER_BYTE\x10\x07\x12\x17\x0A\x13AUDIO_ENCODING_ALAW\x10\x08*v\x0A\x12SpeechModelVariant\x12\$\x0A SPEECH_MODEL_VARIANT_UNSPECIFIED\x10\x00\x12\x16\x0A\x12USE_BEST_AVAILABLE\x10\x01\x12\x10\x0A\x0CUSE_STANDARD\x10\x02\x12\x10\x0A\x0CUSE_ENHANCED\x10\x03*\x8D\x01\x0A\x0FSsmlVoiceGender\x12!\x0A\x1DSSML_VOICE_GENDER_UNSPECIFIED\x10\x00\x12\x1A\x0A\x16SSML_VOICE_GENDER_MALE\x10\x01\x12\x1C\x0A\x18SSML_VOICE_GENDER_FEMALE\x10\x02\x12\x1D\x0A\x19SSML_VOICE_GENDER_NEUTRAL\x10\x03*\x90\x02\x0A\x13OutputAudioEncoding\x12%\x0A!OUTPUT_AUDIO_ENCODING_UNSPECIFIED\x10\x00\x12#\x0A\x1FOUTPUT_AUDIO_ENCODING_LINEAR_16\x10\x01\x12!\x0A\x19OUTPUT_AUDIO_ENCODING_MP3\x10\x02\x1A\x02\x08\x01\x12%\x0A!OUTPUT_AUDIO_ENCODING_MP3_64_KBPS\x10\x04\x12\"\x0A\x1EOUTPUT_AUDIO_ENCODING_OGG_OPUS\x10\x03\x12\x1F\x0A\x1BOUTPUT_AUDIO_ENCODING_MULAW\x10\x05\x12\x1E\x0A\x1AOUTPUT_AUDIO_ENCODING_ALAW\x10\x06B\x8B\x02\x0A!com.google.cloud.dialogflow.cx.v3B\x10AudioConfigProtoP\x01Z1cloud.google.com/go/dialogflow/cx/apiv3/cxpb;cxpb\xA2\x02\x02DF\xAA\x02\x1DGoogle.Cloud.Dialogflow.Cx.V3\xEA\x02!Google::Cloud::Dialogflow::CX::V3\xEAAU\x0A\x1Bautoml.googleapis.com/Model\x126projects/{project}/locations/{location}/models/{model}b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/DialogflowCx/samples/V3/AgentsClient/list_locations.php b/DialogflowCx/samples/V3/AgentsClient/list_locations.php
index 9ebb11bcac42..4d58bfb8b1b7 100644
--- a/DialogflowCx/samples/V3/AgentsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/AgentsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/ChangelogsClient/list_locations.php b/DialogflowCx/samples/V3/ChangelogsClient/list_locations.php
index d76e255f33c2..223773b6f512 100644
--- a/DialogflowCx/samples/V3/ChangelogsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/ChangelogsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/DeploymentsClient/list_locations.php b/DialogflowCx/samples/V3/DeploymentsClient/list_locations.php
index f515a0347af2..429e21e90952 100644
--- a/DialogflowCx/samples/V3/DeploymentsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/DeploymentsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/EntityTypesClient/list_locations.php b/DialogflowCx/samples/V3/EntityTypesClient/list_locations.php
index d478b9c4bf59..5e7785a6ce89 100644
--- a/DialogflowCx/samples/V3/EntityTypesClient/list_locations.php
+++ b/DialogflowCx/samples/V3/EntityTypesClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/EnvironmentsClient/list_locations.php b/DialogflowCx/samples/V3/EnvironmentsClient/list_locations.php
index 7cbe3afba37c..dd099fb69ed6 100644
--- a/DialogflowCx/samples/V3/EnvironmentsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/EnvironmentsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/ExamplesClient/list_locations.php b/DialogflowCx/samples/V3/ExamplesClient/list_locations.php
index c057a585dab4..d6c9bf776505 100644
--- a/DialogflowCx/samples/V3/ExamplesClient/list_locations.php
+++ b/DialogflowCx/samples/V3/ExamplesClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/ExperimentsClient/list_locations.php b/DialogflowCx/samples/V3/ExperimentsClient/list_locations.php
index 27e10794043d..17016d23ae28 100644
--- a/DialogflowCx/samples/V3/ExperimentsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/ExperimentsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/FlowsClient/list_locations.php b/DialogflowCx/samples/V3/FlowsClient/list_locations.php
index e8438b259773..87dca6b7fb5b 100644
--- a/DialogflowCx/samples/V3/FlowsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/FlowsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/GeneratorsClient/list_locations.php b/DialogflowCx/samples/V3/GeneratorsClient/list_locations.php
index 4c8dd9f10a38..c1e424b4d70b 100644
--- a/DialogflowCx/samples/V3/GeneratorsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/GeneratorsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/IntentsClient/list_locations.php b/DialogflowCx/samples/V3/IntentsClient/list_locations.php
index 574e3d8fdb03..d37e6e5fb51b 100644
--- a/DialogflowCx/samples/V3/IntentsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/IntentsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/PagesClient/list_locations.php b/DialogflowCx/samples/V3/PagesClient/list_locations.php
index 5023101d09af..7a8e28a13702 100644
--- a/DialogflowCx/samples/V3/PagesClient/list_locations.php
+++ b/DialogflowCx/samples/V3/PagesClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/PlaybooksClient/list_locations.php b/DialogflowCx/samples/V3/PlaybooksClient/list_locations.php
index b448c1b6316c..54217b095a7c 100644
--- a/DialogflowCx/samples/V3/PlaybooksClient/list_locations.php
+++ b/DialogflowCx/samples/V3/PlaybooksClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/SecuritySettingsServiceClient/list_locations.php b/DialogflowCx/samples/V3/SecuritySettingsServiceClient/list_locations.php
index b6eba19c6470..2ddc3a7c5e6d 100644
--- a/DialogflowCx/samples/V3/SecuritySettingsServiceClient/list_locations.php
+++ b/DialogflowCx/samples/V3/SecuritySettingsServiceClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/SessionEntityTypesClient/list_locations.php b/DialogflowCx/samples/V3/SessionEntityTypesClient/list_locations.php
index 76682264080d..46803f072320 100644
--- a/DialogflowCx/samples/V3/SessionEntityTypesClient/list_locations.php
+++ b/DialogflowCx/samples/V3/SessionEntityTypesClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/SessionsClient/list_locations.php b/DialogflowCx/samples/V3/SessionsClient/list_locations.php
index adbec7d13d60..30beb2271e7e 100644
--- a/DialogflowCx/samples/V3/SessionsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/SessionsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/TestCasesClient/list_locations.php b/DialogflowCx/samples/V3/TestCasesClient/list_locations.php
index 7ea0228d7d61..3abcd054c3ec 100644
--- a/DialogflowCx/samples/V3/TestCasesClient/list_locations.php
+++ b/DialogflowCx/samples/V3/TestCasesClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/ToolsClient/list_locations.php b/DialogflowCx/samples/V3/ToolsClient/list_locations.php
index e42ec089ee72..f22b907476e9 100644
--- a/DialogflowCx/samples/V3/ToolsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/ToolsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/TransitionRouteGroupsClient/list_locations.php b/DialogflowCx/samples/V3/TransitionRouteGroupsClient/list_locations.php
index f1af4239963f..c819fa150835 100644
--- a/DialogflowCx/samples/V3/TransitionRouteGroupsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/TransitionRouteGroupsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/VersionsClient/list_locations.php b/DialogflowCx/samples/V3/VersionsClient/list_locations.php
index f0a38cb30dfe..d90702f845ab 100644
--- a/DialogflowCx/samples/V3/VersionsClient/list_locations.php
+++ b/DialogflowCx/samples/V3/VersionsClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/samples/V3/WebhooksClient/list_locations.php b/DialogflowCx/samples/V3/WebhooksClient/list_locations.php
index 38fd63ade0af..844858b3a2b1 100644
--- a/DialogflowCx/samples/V3/WebhooksClient/list_locations.php
+++ b/DialogflowCx/samples/V3/WebhooksClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/AgentsClient.php b/DialogflowCx/src/V3/Client/AgentsClient.php
index 9565921b95b0..cfb527a52bbb 100644
--- a/DialogflowCx/src/V3/Client/AgentsClient.php
+++ b/DialogflowCx/src/V3/Client/AgentsClient.php
@@ -836,9 +836,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/ChangelogsClient.php b/DialogflowCx/src/V3/Client/ChangelogsClient.php
index d7b655e5c251..2dd8cf552d43 100644
--- a/DialogflowCx/src/V3/Client/ChangelogsClient.php
+++ b/DialogflowCx/src/V3/Client/ChangelogsClient.php
@@ -340,9 +340,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/DeploymentsClient.php b/DialogflowCx/src/V3/Client/DeploymentsClient.php
index de2d76559b52..d6a7f5c4dedf 100644
--- a/DialogflowCx/src/V3/Client/DeploymentsClient.php
+++ b/DialogflowCx/src/V3/Client/DeploymentsClient.php
@@ -355,9 +355,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/EntityTypesClient.php b/DialogflowCx/src/V3/Client/EntityTypesClient.php
index 5297c0622fef..2095a2a3b2ff 100644
--- a/DialogflowCx/src/V3/Client/EntityTypesClient.php
+++ b/DialogflowCx/src/V3/Client/EntityTypesClient.php
@@ -546,9 +546,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/EnvironmentsClient.php b/DialogflowCx/src/V3/Client/EnvironmentsClient.php
index 12c9f5460cf1..095087add1ea 100644
--- a/DialogflowCx/src/V3/Client/EnvironmentsClient.php
+++ b/DialogflowCx/src/V3/Client/EnvironmentsClient.php
@@ -761,9 +761,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/ExamplesClient.php b/DialogflowCx/src/V3/Client/ExamplesClient.php
index 2a5e14fdaa2b..5cbfb6c30d64 100644
--- a/DialogflowCx/src/V3/Client/ExamplesClient.php
+++ b/DialogflowCx/src/V3/Client/ExamplesClient.php
@@ -475,9 +475,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/ExperimentsClient.php b/DialogflowCx/src/V3/Client/ExperimentsClient.php
index 50e05e3631b4..08ee2ef0589a 100644
--- a/DialogflowCx/src/V3/Client/ExperimentsClient.php
+++ b/DialogflowCx/src/V3/Client/ExperimentsClient.php
@@ -528,9 +528,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/FlowsClient.php b/DialogflowCx/src/V3/Client/FlowsClient.php
index 9b35994eeee8..1e42393f7f33 100644
--- a/DialogflowCx/src/V3/Client/FlowsClient.php
+++ b/DialogflowCx/src/V3/Client/FlowsClient.php
@@ -921,9 +921,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/GeneratorsClient.php b/DialogflowCx/src/V3/Client/GeneratorsClient.php
index bab6196cf67a..b997b61b406b 100644
--- a/DialogflowCx/src/V3/Client/GeneratorsClient.php
+++ b/DialogflowCx/src/V3/Client/GeneratorsClient.php
@@ -422,9 +422,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/IntentsClient.php b/DialogflowCx/src/V3/Client/IntentsClient.php
index 170b190f813e..2cfa4f054fa1 100644
--- a/DialogflowCx/src/V3/Client/IntentsClient.php
+++ b/DialogflowCx/src/V3/Client/IntentsClient.php
@@ -588,9 +588,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/PagesClient.php b/DialogflowCx/src/V3/Client/PagesClient.php
index cc0067654d28..32a6c8a98740 100644
--- a/DialogflowCx/src/V3/Client/PagesClient.php
+++ b/DialogflowCx/src/V3/Client/PagesClient.php
@@ -659,9 +659,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/PlaybooksClient.php b/DialogflowCx/src/V3/Client/PlaybooksClient.php
index 8fde8a7a4b9d..5272c21d747f 100644
--- a/DialogflowCx/src/V3/Client/PlaybooksClient.php
+++ b/DialogflowCx/src/V3/Client/PlaybooksClient.php
@@ -830,9 +830,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/SecuritySettingsServiceClient.php b/DialogflowCx/src/V3/Client/SecuritySettingsServiceClient.php
index bb43d7e5bdfd..7c471d274dc7 100644
--- a/DialogflowCx/src/V3/Client/SecuritySettingsServiceClient.php
+++ b/DialogflowCx/src/V3/Client/SecuritySettingsServiceClient.php
@@ -569,9 +569,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/SessionEntityTypesClient.php b/DialogflowCx/src/V3/Client/SessionEntityTypesClient.php
index b0612a1618d8..9de82b8e51e8 100644
--- a/DialogflowCx/src/V3/Client/SessionEntityTypesClient.php
+++ b/DialogflowCx/src/V3/Client/SessionEntityTypesClient.php
@@ -561,9 +561,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/SessionsClient.php b/DialogflowCx/src/V3/Client/SessionsClient.php
index eeafa1637bc6..b6d7caddcfae 100644
--- a/DialogflowCx/src/V3/Client/SessionsClient.php
+++ b/DialogflowCx/src/V3/Client/SessionsClient.php
@@ -829,9 +829,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/TestCasesClient.php b/DialogflowCx/src/V3/Client/TestCasesClient.php
index 1f9946187ebb..0d2ff0fdba9c 100644
--- a/DialogflowCx/src/V3/Client/TestCasesClient.php
+++ b/DialogflowCx/src/V3/Client/TestCasesClient.php
@@ -1047,9 +1047,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/ToolsClient.php b/DialogflowCx/src/V3/Client/ToolsClient.php
index 9b5b2ad03980..de033c57f0ba 100644
--- a/DialogflowCx/src/V3/Client/ToolsClient.php
+++ b/DialogflowCx/src/V3/Client/ToolsClient.php
@@ -641,9 +641,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/TransitionRouteGroupsClient.php b/DialogflowCx/src/V3/Client/TransitionRouteGroupsClient.php
index 661e625eec3b..ee2e09f0cf1a 100644
--- a/DialogflowCx/src/V3/Client/TransitionRouteGroupsClient.php
+++ b/DialogflowCx/src/V3/Client/TransitionRouteGroupsClient.php
@@ -656,9 +656,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/VersionsClient.php b/DialogflowCx/src/V3/Client/VersionsClient.php
index f1c682368472..e86702303132 100644
--- a/DialogflowCx/src/V3/Client/VersionsClient.php
+++ b/DialogflowCx/src/V3/Client/VersionsClient.php
@@ -563,9 +563,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/Client/WebhooksClient.php b/DialogflowCx/src/V3/Client/WebhooksClient.php
index 706ae3e51d70..35bfd80c8878 100644
--- a/DialogflowCx/src/V3/Client/WebhooksClient.php
+++ b/DialogflowCx/src/V3/Client/WebhooksClient.php
@@ -464,9 +464,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/DialogflowCx/src/V3/DetectIntentResponseView.php b/DialogflowCx/src/V3/DetectIntentResponseView.php
index 694f0dc28982..717897a7cf7d 100644
--- a/DialogflowCx/src/V3/DetectIntentResponseView.php
+++ b/DialogflowCx/src/V3/DetectIntentResponseView.php
@@ -30,6 +30,11 @@ class DetectIntentResponseView
      * Basic response view omits the following fields:
      * -
      * [QueryResult.diagnostic_info][google.cloud.dialogflow.cx.v3.QueryResult.diagnostic_info]
+     * - [QueryResult.generative_info][]
+     * -
+     * [QueryResult.trace_blocks][google.cloud.dialogflow.cx.v3.QueryResult.trace_blocks]
+     * -
+     * [QueryResult.data_store_connection_signals][google.cloud.dialogflow.cx.v3.QueryResult.data_store_connection_signals]
      *
      * Generated from protobuf enum <code>DETECT_INTENT_RESPONSE_VIEW_BASIC = 2;</code>
      */
diff --git a/DialogflowCx/src/V3/OutputAudioEncoding.php b/DialogflowCx/src/V3/OutputAudioEncoding.php
index 996795c8626d..69b41ec66a87 100644
--- a/DialogflowCx/src/V3/OutputAudioEncoding.php
+++ b/DialogflowCx/src/V3/OutputAudioEncoding.php
@@ -28,9 +28,9 @@ class OutputAudioEncoding
      */
     const OUTPUT_AUDIO_ENCODING_LINEAR_16 = 1;
     /**
-     * MP3 audio at 32kbps.
+     * MP3 audio at 64kbps.
      *
-     * Generated from protobuf enum <code>OUTPUT_AUDIO_ENCODING_MP3 = 2;</code>
+     * Generated from protobuf enum <code>OUTPUT_AUDIO_ENCODING_MP3 = 2 [deprecated = true];</code>
      */
     const OUTPUT_AUDIO_ENCODING_MP3 = 2;
     /**
diff --git a/Gax/composer.json b/Gax/composer.json
index bd5af2ac073e..29a87e21c873 100644
--- a/Gax/composer.json
+++ b/Gax/composer.json
@@ -9,7 +9,7 @@
     "license": "BSD-3-Clause",
     "require": {
         "php": "^8.1",
-        "google/auth": "^1.49",
+        "google/auth": "^1.52",
         "google/grpc-gcp": "^0.4",
         "grpc/grpc": "^1.13",
         "google/protobuf": "^4.31||^5.34",
diff --git a/Gax/src/CredentialsWrapper.php b/Gax/src/CredentialsWrapper.php
index d6e90892b5a3..ff9ccc9c24d7 100644
--- a/Gax/src/CredentialsWrapper.php
+++ b/Gax/src/CredentialsWrapper.php
@@ -58,7 +58,6 @@ class CredentialsWrapper implements HeaderCredentialsInterface, ProjectIdProvide
     /** @var callable $authHttpHandle */
     private $authHttpHandler;
 
-    private string $universeDomain;
     private bool $hasCheckedUniverse = false;
 
     /** @var int */
@@ -76,14 +75,13 @@ class CredentialsWrapper implements HeaderCredentialsInterface, ProjectIdProvide
     public function __construct(
         FetchAuthTokenInterface $credentialsFetcher,
         ?callable $authHttpHandler = null,
-        string $universeDomain = GetUniverseDomainInterface::DEFAULT_UNIVERSE_DOMAIN
+        private string $universeDomain = GetUniverseDomainInterface::DEFAULT_UNIVERSE_DOMAIN,
     ) {
         $this->credentialsFetcher = $credentialsFetcher;
         $this->authHttpHandler = $authHttpHandler;
         if (empty($universeDomain)) {
             throw new ValidationException('The universe domain cannot be empty');
         }
-        $this->universeDomain = $universeDomain;
     }
 
     /**
@@ -116,6 +114,9 @@ public function __construct(
      *     @type bool $useJwtAccessWithScope
      *           Ensures service account credentials use JWT Access (also known as self-signed
      *           JWTs), even when user-defined scopes are supplied.
+     *     @type bool $enableRegionalAccessBoundary
+     *           Enable the Regional Access Boundary lookup in the credentials which sets the
+     *           `x-allowed-locations` header in the request.
      * }
      * @param string $universeDomain The expected universe of the credentials. Defaults to
      *                               "googleapis.com"
@@ -136,6 +137,7 @@ public static function build(
             'quotaProject'      => null,
             'defaultScopes'     => null,
             'useJwtAccessWithScope' => true,
+            'enableRegionalAccessBoundary' => false,
         ];
 
         $keyFile = $args['keyFile'];
@@ -147,7 +149,8 @@ public static function build(
                 $args['authCacheOptions'],
                 $args['authCache'],
                 $args['quotaProject'],
-                $args['defaultScopes']
+                $args['defaultScopes'],
+                $args['enableRegionalAccessBoundary'],
             );
             if ($loader instanceof FetchAuthTokenCache) {
                 $loader = $loader->getFetcher();
@@ -167,7 +170,8 @@ public static function build(
             $loader = CredentialsLoader::makeCredentials(
                 $args['scopes'],
                 $keyFile,
-                $args['defaultScopes']
+                $args['defaultScopes'],
+                $args['enableRegionalAccessBoundary'],
             );
         }
 
@@ -322,7 +326,8 @@ private static function buildApplicationDefaultCredentials(
         ?array $authCacheOptions = null,
         ?CacheItemPoolInterface $authCache = null,
         $quotaProject = null,
-        ?array $defaultScopes = null
+        ?array $defaultScopes = null,
+        bool $enableRegionalAccessBoundary = true,
     ) {
         try {
             return ApplicationDefaultCredentials::getCredentials(
@@ -331,7 +336,10 @@ private static function buildApplicationDefaultCredentials(
                 $authCacheOptions,
                 $authCache,
                 $quotaProject,
-                $defaultScopes
+                $defaultScopes,
+                null, // $universeDomain
+                null, // $logger
+                $enableRegionalAccessBoundary,
             );
         } catch (DomainException $ex) {
             throw new ValidationException('Could not construct ApplicationDefaultCredentials', $ex->getCode(), $ex);
diff --git a/Gax/src/GapicClientTrait.php b/Gax/src/GapicClientTrait.php
index 3bd91ece34b0..b269bb78baa7 100644
--- a/Gax/src/GapicClientTrait.php
+++ b/Gax/src/GapicClientTrait.php
@@ -344,10 +344,18 @@ private function setClientOptions(array $options)
                 $options['credentialsConfig']['quotaProject'] ?? null
             );
         } else {
+            $enableRegionalAccessBoundary = filter_var(
+                getenv('GOOGLE_AUTH_TRUST_BOUNDARY_ENABLE_EXPERIMENT'),
+                FILTER_VALIDATE_BOOLEAN
+            );
+            $isRegional = str_ends_with($options['apiEndpoint'], '.rep.googleapis.com')
+                || str_ends_with($options['apiEndpoint'], '.rep.sandbox.googleapis.com');
             $this->credentialsWrapper = $this->createCredentialsWrapper(
                 $options['credentials'],
-                $options['credentialsConfig'],
-                $options['universeDomain']
+                $options['credentialsConfig'] + [
+                    'enableRegionalAccessBoundary' => $enableRegionalAccessBoundary && !$isRegional
+                ],
+                $options['universeDomain'],
             );
         }
 
diff --git a/Gax/tests/Unit/CredentialsWrapperTest.php b/Gax/tests/Unit/CredentialsWrapperTest.php
index d7d5a1c0979b..428957daf1b1 100644
--- a/Gax/tests/Unit/CredentialsWrapperTest.php
+++ b/Gax/tests/Unit/CredentialsWrapperTest.php
@@ -145,6 +145,34 @@ public function buildDataWithoutExplicitKeyFile()
                     quotaProject: $quotaProject
                 )),
             ],
+            [
+                ['enableRegionalAccessBoundary' => true],
+                new CredentialsWrapper(ApplicationDefaultCredentials::getCredentials(
+                    null,
+                    $authHttpHandler,
+                    null,
+                    $defaultAuthCache,
+                    null,
+                    null,
+                    null,
+                    null,
+                    true, // $enableRegionalAccessBoundary
+                )),
+            ],
+            [
+                ['enableRegionalAccessBoundary' => false],
+                new CredentialsWrapper(ApplicationDefaultCredentials::getCredentials(
+                    null,
+                    $authHttpHandler,
+                    null,
+                    $defaultAuthCache,
+                    null,
+                    null,
+                    null,
+                    null,
+                    false, // $enableRegionalAccessBoundary
+                )),
+            ],
         ];
 
         $this->setEnv('GOOGLE_APPLICATION_CREDENTIALS', $appDefaultCreds);
diff --git a/Gax/tests/Unit/GapicClientTraitTest.php b/Gax/tests/Unit/GapicClientTraitTest.php
index fef2951d4197..51369ba18bab 100644
--- a/Gax/tests/Unit/GapicClientTraitTest.php
+++ b/Gax/tests/Unit/GapicClientTraitTest.php
@@ -896,6 +896,51 @@ public function setClientOptionsData()
         ];
     }
 
+    /**
+     * @dataProvider buildClientOptionsRegionalEndpointData
+     * @runInSeparateProcess
+     * @preserveGlobalState disabled
+     */
+    public function testBuildClientOptionsRegionalEndpoint(?string $apiEndpoint, ?string $envVarValue, bool $rabEnabled)
+    {
+        if ($envVarValue !== null) {
+            putenv('GOOGLE_AUTH_TRUST_BOUNDARY_ENABLE_EXPERIMENT=' . $envVarValue);
+        }
+
+        $client = new class() extends StubGapicClient {
+            public array $capturedCredentialsConfig = [];
+
+            public function createCredentialsWrapper($credentials, array $credentialsConfig, string $universeDomain)
+            {
+                $this->capturedCredentialsConfig = $credentialsConfig;
+                return null;
+            }
+        };
+
+        $clientOptions = $client->buildClientOptions(
+            $apiEndpoint !== null ? ['apiEndpoint' => $apiEndpoint] : []
+        );
+        $client->setClientOptions($clientOptions);
+
+        $this->assertEquals(
+            $rabEnabled,
+            $client->capturedCredentialsConfig['enableRegionalAccessBoundary'] ?? null
+        );
+    }
+
+    public function buildClientOptionsRegionalEndpointData()
+    {
+        return [
+            ['test.googleapis.com', 'true', true],
+            ['test.rep.googleapis.com', 'true', false],
+            ['test.rep.sandbox.googleapis.com', 'true', false],
+            ['test.googleapis.com', 'false', false],
+            ['test.googleapis.com', null, false],
+            ['', 'true', true], // Empty endpoint case
+            [null, 'true', true], // Unset endpoint case
+        ];
+    }
+
     /**
      * @dataProvider buildRequestHeaderParams
      */
diff --git a/NetworkManagement/metadata/V1/ConnectivityTest.php b/NetworkManagement/metadata/V1/ConnectivityTest.php
index ef3fe1f7c983..91da9b4c8fad 100644
--- a/NetworkManagement/metadata/V1/ConnectivityTest.php
+++ b/NetworkManagement/metadata/V1/ConnectivityTest.php
@@ -20,7 +20,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Protobuf\Timestamp::initOnce();
         \GPBMetadata\Google\Rpc\Status::initOnce();
         $pool->internalAddGeneratedFile(
-            "\x0A\x94\$\x0A9google/cloud/networkmanagement/v1/connectivity_test.proto\x12!google.cloud.networkmanagement.v1\x1A\x19google/api/resource.proto\x1A-google/cloud/networkmanagement/v1/trace.proto\x1A\x1Fgoogle/protobuf/timestamp.proto\x1A\x17google/rpc/status.proto\"\xAE\x07\x0A\x10ConnectivityTest\x12\x11\x0A\x04name\x18\x01 \x01(\x09B\x03\xE0A\x08\x12\x13\x0A\x0Bdescription\x18\x02 \x01(\x09\x12@\x0A\x06source\x18\x03 \x01(\x0B2+.google.cloud.networkmanagement.v1.EndpointB\x03\xE0A\x02\x12E\x0A\x0Bdestination\x18\x04 \x01(\x0B2+.google.cloud.networkmanagement.v1.EndpointB\x03\xE0A\x02\x12\x10\x0A\x08protocol\x18\x05 \x01(\x09\x12\x18\x0A\x10related_projects\x18\x06 \x03(\x09\x12\x19\x0A\x0Cdisplay_name\x18\x07 \x01(\x09B\x03\xE0A\x03\x12O\x0A\x06labels\x18\x08 \x03(\x0B2?.google.cloud.networkmanagement.v1.ConnectivityTest.LabelsEntry\x124\x0A\x0Bcreate_time\x18\x0A \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x124\x0A\x0Bupdate_time\x18\x0B \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x12Y\x0A\x14reachability_details\x18\x0C \x01(\x0B26.google.cloud.networkmanagement.v1.ReachabilityDetailsB\x03\xE0A\x03\x12O\x0A\x0Fprobing_details\x18\x0E \x01(\x0B21.google.cloud.networkmanagement.v1.ProbingDetailsB\x03\xE0A\x03\x12\x12\x0A\x0Around_trip\x18\x0F \x01(\x08\x12`\x0A\x1Breturn_reachability_details\x18\x10 \x01(\x0B26.google.cloud.networkmanagement.v1.ReachabilityDetailsB\x03\xE0A\x03\x12\x1E\x0A\x16bypass_firewall_checks\x18\x11 \x01(\x08\x1A-\x0A\x0BLabelsEntry\x12\x0B\x0A\x03key\x18\x01 \x01(\x09\x12\x0D\x0A\x05value\x18\x02 \x01(\x09:\x028\x01:t\xEAAq\x0A1networkmanagement.googleapis.com/ConnectivityTest\x12<projects/{project}/locations/global/connectivityTests/{test}\"\xA7\x0A\x0A\x08Endpoint\x12\x12\x0A\x0Aip_address\x18\x01 \x01(\x09\x12\x0C\x0A\x04port\x18\x02 \x01(\x05\x12\x10\x0A\x08instance\x18\x03 \x01(\x09\x12\x17\x0A\x0Fforwarding_rule\x18\x0D \x01(\x09\x12j\x0A\x16forwarding_rule_target\x18\x0E 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\x01(\x05\x12F\x0A\x0Dendpoint_info\x18\x07 \x01(\x0B2/.google.cloud.networkmanagement.v1.EndpointInfo\x12O\x0A\x0Fprobing_latency\x18\x08 \x01(\x0B26.google.cloud.networkmanagement.v1.LatencyDistribution\x12c\x0A\x1Bdestination_egress_location\x18\x09 \x01(\x0B2>.google.cloud.networkmanagement.v1.ProbingDetails.EdgeLocation\x12\\\x0A\x0Eedge_responses\x18\x0A \x03(\x0B2D.google.cloud.networkmanagement.v1.ProbingDetails.SingleEdgeResponse\x12\x1A\x0A\x12probed_all_devices\x18\x0B \x01(\x08\x1A)\x0A\x0CEdgeLocation\x12\x19\x0A\x11metropolitan_area\x18\x01 \x01(\x09\x1A\xF1\x02\x0A\x12SingleEdgeResponse\x12O\x0A\x06result\x18\x01 \x01(\x0E2?.google.cloud.networkmanagement.v1.ProbingDetails.ProbingResult\x12\x18\x0A\x10sent_probe_count\x18\x02 \x01(\x05\x12\x1E\x0A\x16successful_probe_count\x18\x03 \x01(\x05\x12O\x0A\x0Fprobing_latency\x18\x04 \x01(\x0B26.google.cloud.networkmanagement.v1.LatencyDistribution\x12c\x0A\x1Bdestination_egress_location\x18\x05 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+            "\x0A\xB4\$\x0A9google/cloud/networkmanagement/v1/connectivity_test.proto\x12!google.cloud.networkmanagement.v1\x1A\x19google/api/resource.proto\x1A-google/cloud/networkmanagement/v1/trace.proto\x1A\x1Fgoogle/protobuf/timestamp.proto\x1A\x17google/rpc/status.proto\"\xAE\x07\x0A\x10ConnectivityTest\x12\x11\x0A\x04name\x18\x01 \x01(\x09B\x03\xE0A\x08\x12\x13\x0A\x0Bdescription\x18\x02 \x01(\x09\x12@\x0A\x06source\x18\x03 \x01(\x0B2+.google.cloud.networkmanagement.v1.EndpointB\x03\xE0A\x02\x12E\x0A\x0Bdestination\x18\x04 \x01(\x0B2+.google.cloud.networkmanagement.v1.EndpointB\x03\xE0A\x02\x12\x10\x0A\x08protocol\x18\x05 \x01(\x09\x12\x18\x0A\x10related_projects\x18\x06 \x03(\x09\x12\x19\x0A\x0Cdisplay_name\x18\x07 \x01(\x09B\x03\xE0A\x03\x12O\x0A\x06labels\x18\x08 \x03(\x0B2?.google.cloud.networkmanagement.v1.ConnectivityTest.LabelsEntry\x124\x0A\x0Bcreate_time\x18\x0A \x01(\x0B2\x1A.google.protobuf.TimestampB\x03\xE0A\x03\x124\x0A\x0Bupdate_time\x18\x0B 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         , true);
 
         static::$is_initialized = true;
diff --git a/NetworkManagement/metadata/V1/Trace.php b/NetworkManagement/metadata/V1/Trace.php
index 074774df8fa1..1d3e3911ceda 100644
--- a/NetworkManagement/metadata/V1/Trace.php
+++ b/NetworkManagement/metadata/V1/Trace.php
@@ -17,7 +17,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Api\FieldBehavior::initOnce();
         \GPBMetadata\Google\Api\FieldInfo::initOnce();
         $pool->internalAddGeneratedFile(
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\x01(\x0E2Z.google.cloud.networkmanagement.v1.LoadBalancerBackendInfo.HealthCheckFirewallsConfigStateB\x03\xE0A\x03\"\xCD\x01\x0A\x1FHealthCheckFirewallsConfigState\x123\x0A/HEALTH_CHECK_FIREWALLS_CONFIG_STATE_UNSPECIFIED\x10\x00\x12\x18\x0A\x14FIREWALLS_CONFIGURED\x10\x01\x12\"\x0A\x1EFIREWALLS_PARTIALLY_CONFIGURED\x10\x02\x12\x1C\x0A\x18FIREWALLS_NOT_CONFIGURED\x10\x03\x12\x19\x0A\x15FIREWALLS_UNSUPPORTED\x10\x04\"#\x0A\x11StorageBucketInfo\x12\x0E\x0A\x06bucket\x18\x01 \x01(\x09\"\$\x0A\x11ServerlessNegInfo\x12\x0F\x0A\x07neg_uri\x18\x01 \x01(\x09\">\x0A\x18NgfwPacketInspectionInfo\x12\"\x0A\x1Asecurity_profile_group_uri\x18\x01 \x01(\x09\"\$\x0A\x15PrivateConnectionInfo\x12\x0B\x0A\x03uri\x18\x01 \x01(\x09*\xF6\x02\x0A\x10LoadBalancerType\x12\"\x0A\x1ELOAD_BALANCER_TYPE_UNSPECIFIED\x10\x00\x12 \x0A\x1CHTTPS_ADVANCED_LOAD_BALANCER\x10\x01\x12\x17\x0A\x13HTTPS_LOAD_BALANCER\x10\x02\x12 \x0A\x1CREGIONAL_HTTPS_LOAD_BALANCER\x10\x03\x12 \x0A\x1CINTERNAL_HTTPS_LOAD_BALANCER\x10\x04\x12\x1B\x0A\x17SSL_PROXY_LOAD_BALANCER\x10\x05\x12\x1B\x0A\x17TCP_PROXY_LOAD_BALANCER\x10\x06\x12\$\x0A INTERNAL_TCP_PROXY_LOAD_BALANCER\x10\x07\x12\x19\x0A\x15NETWORK_LOAD_BALANCER\x10\x08\x12 \x0A\x1CLEGACY_NETWORK_LOAD_BALANCER\x10\x09\x12\"\x0A\x1ETCP_UDP_INTERNAL_LOAD_BALANCER\x10\x0AB\xF9\x01\x0A%com.google.cloud.networkmanagement.v1B\x0ATraceProtoP\x01ZScloud.google.com/go/networkmanagement/apiv1/networkmanagementpb;networkmanagementpb\xAA\x02!Google.Cloud.NetworkManagement.V1\xCA\x02!Google\\Cloud\\NetworkManagement\\V1\xEA\x02\$Google::Cloud::NetworkManagement::V1b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/NetworkManagement/src/V1/DeliverInfo/Target.php b/NetworkManagement/src/V1/DeliverInfo/Target.php
index 40b896fdb5fd..6ebf625b3df2 100644
--- a/NetworkManagement/src/V1/DeliverInfo/Target.php
+++ b/NetworkManagement/src/V1/DeliverInfo/Target.php
@@ -136,6 +136,12 @@ class Target
      * Generated from protobuf enum <code>CLOUD_RUN_JOB = 20;</code>
      */
     const CLOUD_RUN_JOB = 20;
+    /**
+     * Target is a DMS Private Connection. Used only for return traces.
+     *
+     * Generated from protobuf enum <code>DMS_PRIVATE_CONNECTION = 21;</code>
+     */
+    const DMS_PRIVATE_CONNECTION = 21;
 
     private static $valueToName = [
         self::TARGET_UNSPECIFIED => 'TARGET_UNSPECIFIED',
@@ -158,6 +164,7 @@ class Target
         self::REDIS_CLUSTER => 'REDIS_CLUSTER',
         self::GKE_POD => 'GKE_POD',
         self::CLOUD_RUN_JOB => 'CLOUD_RUN_JOB',
+        self::DMS_PRIVATE_CONNECTION => 'DMS_PRIVATE_CONNECTION',
     ];
 
     public static function name($value)
diff --git a/NetworkManagement/src/V1/DropInfo/Cause.php b/NetworkManagement/src/V1/DropInfo/Cause.php
index 083e32a5a0b7..971c45718f82 100644
--- a/NetworkManagement/src/V1/DropInfo/Cause.php
+++ b/NetworkManagement/src/V1/DropInfo/Cause.php
@@ -279,6 +279,12 @@ class Cause
      * Generated from protobuf enum <code>DROPPED_INSIDE_CLOUD_SQL_SERVICE = 19;</code>
      */
     const DROPPED_INSIDE_CLOUD_SQL_SERVICE = 19;
+    /**
+     * Packet was dropped inside DMS Private Connection.
+     *
+     * Generated from protobuf enum <code>DROPPED_INSIDE_DMS_PRIVATE_CONNECTION = 114;</code>
+     */
+    const DROPPED_INSIDE_DMS_PRIVATE_CONNECTION = 114;
     /**
      * Packet was dropped because there is no peering between the originating
      * network and the Google Managed Services Network.
@@ -749,6 +755,13 @@ class Cause
      * Generated from protobuf enum <code>NO_VALID_ROUTE_FROM_GOOGLE_MANAGED_NETWORK_TO_DESTINATION = 110;</code>
      */
     const NO_VALID_ROUTE_FROM_GOOGLE_MANAGED_NETWORK_TO_DESTINATION = 110;
+    /**
+     * Packet is dropped due to no running instance found for private
+     * connection.
+     *
+     * Generated from protobuf enum <code>PRIVATE_CONNECTION_NO_RUNNING_INSTANCE = 111;</code>
+     */
+    const PRIVATE_CONNECTION_NO_RUNNING_INSTANCE = 111;
 
     private static $valueToName = [
         self::CAUSE_UNSPECIFIED => 'CAUSE_UNSPECIFIED',
@@ -790,6 +803,7 @@ class Cause
         self::CLOUD_SQL_INSTANCE_UNAUTHORIZED_ACCESS => 'CLOUD_SQL_INSTANCE_UNAUTHORIZED_ACCESS',
         self::DROPPED_INSIDE_GKE_SERVICE => 'DROPPED_INSIDE_GKE_SERVICE',
         self::DROPPED_INSIDE_CLOUD_SQL_SERVICE => 'DROPPED_INSIDE_CLOUD_SQL_SERVICE',
+        self::DROPPED_INSIDE_DMS_PRIVATE_CONNECTION => 'DROPPED_INSIDE_DMS_PRIVATE_CONNECTION',
         self::GOOGLE_MANAGED_SERVICE_NO_PEERING => 'GOOGLE_MANAGED_SERVICE_NO_PEERING',
         self::GOOGLE_MANAGED_SERVICE_NO_PSC_ENDPOINT => 'GOOGLE_MANAGED_SERVICE_NO_PSC_ENDPOINT',
         self::GKE_PSC_ENDPOINT_MISSING => 'GKE_PSC_ENDPOINT_MISSING',
@@ -857,6 +871,7 @@ class Cause
         self::HYBRID_SUBNET_NO_ROUTE => 'HYBRID_SUBNET_NO_ROUTE',
         self::GKE_NETWORK_POLICY => 'GKE_NETWORK_POLICY',
         self::NO_VALID_ROUTE_FROM_GOOGLE_MANAGED_NETWORK_TO_DESTINATION => 'NO_VALID_ROUTE_FROM_GOOGLE_MANAGED_NETWORK_TO_DESTINATION',
+        self::PRIVATE_CONNECTION_NO_RUNNING_INSTANCE => 'PRIVATE_CONNECTION_NO_RUNNING_INSTANCE',
     ];
 
     public static function name($value)
diff --git a/NetworkManagement/src/V1/Endpoint.php b/NetworkManagement/src/V1/Endpoint.php
index c640f288d1d4..2fb4bb8c4f9e 100644
--- a/NetworkManagement/src/V1/Endpoint.php
+++ b/NetworkManagement/src/V1/Endpoint.php
@@ -108,6 +108,15 @@ class Endpoint extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>string gke_pod = 21;</code>
      */
     protected $gke_pod = '';
+    /**
+     * A [DMS Private
+     * Connection](https://docs.cloud.google.com/database-migration/docs/reference/rest/v1/projects.locations.privateConnections)
+     * name format:
+     * projects/{project}/locations/{location}/privateConnections/{privateConnection}.
+     *
+     * Generated from protobuf field <code>string dms_private_connection = 22;</code>
+     */
+    protected $dms_private_connection = '';
     /**
      * A [Cloud Function](https://cloud.google.com/functions). Applicable only to
      * source endpoint.
@@ -212,6 +221,11 @@ class Endpoint extends \Google\Protobuf\Internal\Message
      *     @type string $gke_pod
      *           A [GKE Pod](https://cloud.google.com/kubernetes-engine/docs/concepts/pod)
      *           URI.
+     *     @type string $dms_private_connection
+     *           A [DMS Private
+     *           Connection](https://docs.cloud.google.com/database-migration/docs/reference/rest/v1/projects.locations.privateConnections)
+     *           name format:
+     *           projects/{project}/locations/{location}/privateConnections/{privateConnection}.
      *     @type \Google\Cloud\NetworkManagement\V1\Endpoint\CloudFunctionEndpoint $cloud_function
      *           A [Cloud Function](https://cloud.google.com/functions). Applicable only to
      *           source endpoint.
@@ -645,6 +659,38 @@ public function setGkePod($var)
         return $this;
     }
 
+    /**
+     * A [DMS Private
+     * Connection](https://docs.cloud.google.com/database-migration/docs/reference/rest/v1/projects.locations.privateConnections)
+     * name format:
+     * projects/{project}/locations/{location}/privateConnections/{privateConnection}.
+     *
+     * Generated from protobuf field <code>string dms_private_connection = 22;</code>
+     * @return string
+     */
+    public function getDmsPrivateConnection()
+    {
+        return $this->dms_private_connection;
+    }
+
+    /**
+     * A [DMS Private
+     * Connection](https://docs.cloud.google.com/database-migration/docs/reference/rest/v1/projects.locations.privateConnections)
+     * name format:
+     * projects/{project}/locations/{location}/privateConnections/{privateConnection}.
+     *
+     * Generated from protobuf field <code>string dms_private_connection = 22;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setDmsPrivateConnection($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->dms_private_connection = $var;
+
+        return $this;
+    }
+
     /**
      * A [Cloud Function](https://cloud.google.com/functions). Applicable only to
      * source endpoint.
diff --git a/NetworkManagement/src/V1/PrivateConnectionInfo.php b/NetworkManagement/src/V1/PrivateConnectionInfo.php
new file mode 100644
index 000000000000..a609d986619c
--- /dev/null
+++ b/NetworkManagement/src/V1/PrivateConnectionInfo.php
@@ -0,0 +1,71 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/networkmanagement/v1/trace.proto
+
+namespace Google\Cloud\NetworkManagement\V1;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBUtil;
+use Google\Protobuf\RepeatedField;
+
+/**
+ * For display only. Metadata associated with a Private Connection.
+ *
+ * Generated from protobuf message <code>google.cloud.networkmanagement.v1.PrivateConnectionInfo</code>
+ */
+class PrivateConnectionInfo extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * URI of the Private Connection in format
+     * "projects/{project_id}/locations/{location}/privateConnections/{private_connection_id}"
+     *
+     * Generated from protobuf field <code>string uri = 1;</code>
+     */
+    protected $uri = '';
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type string $uri
+     *           URI of the Private Connection in format
+     *           "projects/{project_id}/locations/{location}/privateConnections/{private_connection_id}"
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Networkmanagement\V1\Trace::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * URI of the Private Connection in format
+     * "projects/{project_id}/locations/{location}/privateConnections/{private_connection_id}"
+     *
+     * Generated from protobuf field <code>string uri = 1;</code>
+     * @return string
+     */
+    public function getUri()
+    {
+        return $this->uri;
+    }
+
+    /**
+     * URI of the Private Connection in format
+     * "projects/{project_id}/locations/{location}/privateConnections/{private_connection_id}"
+     *
+     * Generated from protobuf field <code>string uri = 1;</code>
+     * @param string $var
+     * @return $this
+     */
+    public function setUri($var)
+    {
+        GPBUtil::checkString($var, True);
+        $this->uri = $var;
+
+        return $this;
+    }
+
+}
+
diff --git a/NetworkManagement/src/V1/Step.php b/NetworkManagement/src/V1/Step.php
index b42a0ef640c3..3ff36dcbdc70 100644
--- a/NetworkManagement/src/V1/Step.php
+++ b/NetworkManagement/src/V1/Step.php
@@ -137,6 +137,8 @@ class Step extends \Google\Protobuf\Internal\Message
      *           only for return traces.
      *     @type \Google\Cloud\NetworkManagement\V1\NgfwPacketInspectionInfo $ngfw_packet_inspection
      *           Display information of a layer 7 packet inspection by the firewall.
+     *     @type \Google\Cloud\NetworkManagement\V1\PrivateConnectionInfo $dms_private_connection
+     *           Display information of a DMS Private Connection.
      * }
      */
     public function __construct($data = NULL) {
@@ -1418,6 +1420,37 @@ public function setNgfwPacketInspection($var)
         return $this;
     }
 
+    /**
+     * Display information of a DMS Private Connection.
+     *
+     * Generated from protobuf field <code>.google.cloud.networkmanagement.v1.PrivateConnectionInfo dms_private_connection = 43;</code>
+     * @return \Google\Cloud\NetworkManagement\V1\PrivateConnectionInfo|null
+     */
+    public function getDmsPrivateConnection()
+    {
+        return $this->readOneof(43);
+    }
+
+    public function hasDmsPrivateConnection()
+    {
+        return $this->hasOneof(43);
+    }
+
+    /**
+     * Display information of a DMS Private Connection.
+     *
+     * Generated from protobuf field <code>.google.cloud.networkmanagement.v1.PrivateConnectionInfo dms_private_connection = 43;</code>
+     * @param \Google\Cloud\NetworkManagement\V1\PrivateConnectionInfo $var
+     * @return $this
+     */
+    public function setDmsPrivateConnection($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\NetworkManagement\V1\PrivateConnectionInfo::class);
+        $this->writeOneof(43, $var);
+
+        return $this;
+    }
+
     /**
      * @return string
      */
diff --git a/NetworkManagement/src/V1/Step/State.php b/NetworkManagement/src/V1/Step/State.php
index d099b9f3ddb8..998fa373a1b5 100644
--- a/NetworkManagement/src/V1/Step/State.php
+++ b/NetworkManagement/src/V1/Step/State.php
@@ -136,6 +136,12 @@ class State
      * Generated from protobuf enum <code>START_FROM_SERVERLESS_NEG = 31;</code>
      */
     const START_FROM_SERVERLESS_NEG = 31;
+    /**
+     * Initial state: packet originating from a DMS Private Connection.
+     *
+     * Generated from protobuf enum <code>START_FROM_DMS_PRIVATE_CONNECTION = 48;</code>
+     */
+    const START_FROM_DMS_PRIVATE_CONNECTION = 48;
     /**
      * Config checking state: verify ingress firewall rule.
      *
@@ -347,6 +353,7 @@ class State
         self::START_FROM_STORAGE_BUCKET => 'START_FROM_STORAGE_BUCKET',
         self::START_FROM_PSC_PUBLISHED_SERVICE => 'START_FROM_PSC_PUBLISHED_SERVICE',
         self::START_FROM_SERVERLESS_NEG => 'START_FROM_SERVERLESS_NEG',
+        self::START_FROM_DMS_PRIVATE_CONNECTION => 'START_FROM_DMS_PRIVATE_CONNECTION',
         self::APPLY_INGRESS_FIREWALL_RULE => 'APPLY_INGRESS_FIREWALL_RULE',
         self::APPLY_EGRESS_FIREWALL_RULE => 'APPLY_EGRESS_FIREWALL_RULE',
         self::APPLY_ROUTE => 'APPLY_ROUTE',
diff --git a/NetworkSecurity/src/V1/SecurityProfileGroup.php b/NetworkSecurity/src/V1/SecurityProfileGroup.php
index aae55456f389..d136e578be4a 100644
--- a/NetworkSecurity/src/V1/SecurityProfileGroup.php
+++ b/NetworkSecurity/src/V1/SecurityProfileGroup.php
@@ -52,8 +52,8 @@ class SecurityProfileGroup extends \Google\Protobuf\Internal\Message
      */
     protected $etag = '';
     /**
-     * Output only. Identifier used by the data-path. Unique within {container,
-     * location}.
+     * Output only. Identifier used by the data-path. Unique within \{container,
+     * location\}.
      *
      * Generated from protobuf field <code>uint64 data_path_id = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      */
@@ -115,8 +115,8 @@ class SecurityProfileGroup extends \Google\Protobuf\Internal\Message
      *           other fields, and may be sent on update and delete requests to ensure the
      *           client has an up-to-date value before proceeding.
      *     @type int|string $data_path_id
-     *           Output only. Identifier used by the data-path. Unique within {container,
-     *           location}.
+     *           Output only. Identifier used by the data-path. Unique within \{container,
+     *           location\}.
      *     @type array|\Google\Protobuf\Internal\MapField $labels
      *           Optional. Labels as key value pairs.
      *     @type string $threat_prevention_profile
@@ -299,8 +299,8 @@ public function setEtag($var)
     }
 
     /**
-     * Output only. Identifier used by the data-path. Unique within {container,
-     * location}.
+     * Output only. Identifier used by the data-path. Unique within \{container,
+     * location\}.
      *
      * Generated from protobuf field <code>uint64 data_path_id = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      * @return int|string
@@ -311,8 +311,8 @@ public function getDataPathId()
     }
 
     /**
-     * Output only. Identifier used by the data-path. Unique within {container,
-     * location}.
+     * Output only. Identifier used by the data-path. Unique within \{container,
+     * location\}.
      *
      * Generated from protobuf field <code>uint64 data_path_id = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>
      * @param int|string $var
diff --git a/Storage/src/Bucket.php b/Storage/src/Bucket.php
index c15b50d07b32..daa01adfb84b 100644
--- a/Storage/src/Bucket.php
+++ b/Storage/src/Bucket.php
@@ -1092,6 +1092,16 @@ public function delete(array $options = [])
      *           'inherited' and 'enforced' are supported. **defaults to**
      *           `inherited`. For more details, see
      *           [Public Access Prevention](https://cloud.google.com/storage/docs/public-access-prevention).
+     *     @type array $ipFilter The bucket's IP filter configuration.
+     *           @type string $ipFilter.mode The IP filter mode. Accepted values are 'Enabled' and 'Disabled'.
+     *           @type array $ipFilter.publicNetworkSource Public network configuration.
+     *                 @type array $ipFilter.publicNetworkSource.allowedIpCidrRanges Allowed IP/CIDR ranges.
+     *           @type array $ipFilter.vpcNetworkSources List of private VPC networks configurations.
+     *                 Each element contains:
+     *                 @type string $ipFilter.vpcNetworkSources[].network Fully qualified VPC network URL/name.
+     *                 @type array $ipFilter.vpcNetworkSources[].allowedIpCidrRanges Allowed IP/CIDR ranges.
+     *           @type bool $ipFilter.allowCrossOrgVpcs Set true to allow VPCs outside the org.
+     *           @type bool $ipFilter.allowAllServiceAgentAccess Set true to allow service-to-service agent interactions.
      * }
      * @codingStandardsIgnoreEnd
      * @return array
diff --git a/Storage/src/Connection/ServiceDefinition/storage-v1.json b/Storage/src/Connection/ServiceDefinition/storage-v1.json
index 55ebe63e52ba..bd7bcf730ed7 100644
--- a/Storage/src/Connection/ServiceDefinition/storage-v1.json
+++ b/Storage/src/Connection/ServiceDefinition/storage-v1.json
@@ -324,6 +324,61 @@
                         }
                     }
                 },
+                "ipFilter": {
+                    "type": "object",
+                    "description": "The bucket's IP filter configuration.",
+                    "properties": {
+                        "mode": {
+                            "type": "string",
+                            "description": "The bucket's IP filter mode. E.g., 'Enabled', 'Disabled'.",
+                            "enum": [
+                                "Enabled",
+                                "Disabled"
+                            ]
+                        },
+                        "publicNetworkSource": {
+                            "type": "object",
+                            "description": "The public network source configuration for IP filtering.",
+                            "properties": {
+                                "allowedIpCidrRanges": {
+                                    "type": "array",
+                                    "description": "Allowed public IP CIDR ranges.",
+                                    "items": {
+                                        "type": "string"
+                                    }
+                                }
+                            }
+                        },
+                        "vpcNetworkSources": {
+                            "type": "array",
+                            "description": "Private VPC network sources for IP filtering.",
+                            "items": {
+                                "type": "object",
+                                "properties": {
+                                    "network": {
+                                        "type": "string",
+                                        "description": "The fully qualified VPC network name."
+                                    },
+                                    "allowedIpCidrRanges": {
+                                        "type": "array",
+                                        "description": "Allowed IP CIDR ranges.",
+                                        "items": {
+                                            "type": "string"
+                                        }
+                                    }
+                                }
+                            }
+                        },
+                        "allowCrossOrgVpcs": {
+                            "type": "boolean",
+                            "description": "Whether to allow cross-organization VPCs."
+                        },
+                        "allowAllServiceAgentAccess": {
+                            "type": "boolean",
+                            "description": "Whether to allow service agent access."
+                        }
+                    }
+                },
                 "id": {
                     "type": "string",
                     "description": "The ID of the bucket. For buckets, the id and name properties are the same."
diff --git a/Storage/src/StorageClient.php b/Storage/src/StorageClient.php
index 1fbacc0ae21d..e74256f3e926 100644
--- a/Storage/src/StorageClient.php
+++ b/Storage/src/StorageClient.php
@@ -496,6 +496,16 @@ public function restore(string $name, string $generation, array $options = [])
      *           [feature documentation](https://cloud.google.com/storage/docs/uniform-bucket-level-access),
      *           as well as
      *           [Should You Use uniform bucket-level access](https://cloud.google.com/storage/docs/uniform-bucket-level-access#should-you-use)
+     *     @type array $ipFilter The bucket's IP filter configuration.
+     *           @type string $ipFilter.mode The IP filter mode. Accepted values are 'Enabled' and 'Disabled'.
+     *           @type array $ipFilter.publicNetworkSource Public network configuration.
+     *                 @type array $ipFilter.publicNetworkSource.allowedIpCidrRanges Allowed IP/CIDR ranges.
+     *           @type array $ipFilter.vpcNetworkSources List of private VPC networks configurations.
+     *                 Each element contains:
+     *                 @type string $ipFilter.vpcNetworkSources[].network Fully qualified VPC network URL/name.
+     *                 @type array $ipFilter.vpcNetworkSources[].allowedIpCidrRanges Allowed IP/CIDR ranges.
+     *           @type bool $ipFilter.allowCrossOrgVpcs Set true to allow VPCs outside the org.
+     *           @type bool $ipFilter.allowAllServiceAgentAccess Set true to allow service-to-service agent interactions.
      *     @type string $rpo Specifies the Turbo Replication setting for a dual-region bucket.
      *           The possible values are DEFAULT and ASYNC_TURBO. Trying to set the rpo for a non dual-region
      *           bucket will throw an exception. Non existence of this parameter is equivalent to it being DEFAULT.
diff --git a/Storage/tests/System/ManageBucketsTest.php b/Storage/tests/System/ManageBucketsTest.php
index 68fb3e79e121..4968ec905ad3 100644
--- a/Storage/tests/System/ManageBucketsTest.php
+++ b/Storage/tests/System/ManageBucketsTest.php
@@ -18,6 +18,7 @@
 namespace Google\Cloud\Storage\Tests\System;
 
 use Google\Cloud\Core\Exception\BadRequestException;
+use Google\Cloud\Core\Exception\ServiceException;
 use Google\Cloud\Storage\Bucket;
 
 /**
@@ -577,4 +578,211 @@ public function encryptionEnforcementConfigs()
             ]
         ];
     }
+
+    /**
+     * @group storage-ipfilter
+     */
+    public function testCreateBucketWithIpFilterDisabled()
+    {
+        $projectId = self::getProjectId(getenv('GOOGLE_CLOUD_PHP_TESTS_KEY_PATH'));
+
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.0/24']
+            ],
+            'vpcNetworkSources' => [
+                [
+                    'network' => 'projects/' . $projectId . '/global/networks/default',
+                    'allowedIpCidrRanges' => ['10.0.0.0/24']
+                ]
+            ],
+            'allowCrossOrgVpcs' => true,
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        $bucketName = uniqid(self::TESTING_PREFIX);
+        $bucket = self::createBucket(
+            self::$client,
+            $bucketName,
+            ['ipFilter' => $ipFilterConfig]
+        );
+
+        $info = $bucket->info();
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Disabled', $info['ipFilter']['mode']);
+        $this->assertEquals(['1.2.3.0/24'], $info['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']);
+        $this->assertEquals(
+            'projects/' . $projectId . '/global/networks/default',
+            $info['ipFilter']['vpcNetworkSources'][0]['network']
+        );
+        $this->assertEquals(['10.0.0.0/24'], $info['ipFilter']['vpcNetworkSources'][0]['allowedIpCidrRanges']);
+        $this->assertTrue($info['ipFilter']['allowAllServiceAgentAccess']);
+        $this->assertTrue($info['ipFilter']['allowCrossOrgVpcs']);
+
+        return $bucket;
+    }
+
+    /**
+     * @depends testCreateBucketWithIpFilterDisabled
+     * @group storage-ipfilter
+     */
+    public function testUpdateIpFilterDisabled(Bucket $bucket)
+    {
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.0/24', '5.6.7.0/24']
+            ],
+            'allowAllServiceAgentAccess' => false
+        ];
+
+        $bucket->update(['ipFilter' => $ipFilterConfig]);
+        $info = $bucket->reload();
+
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Disabled', $info['ipFilter']['mode']);
+        $this->assertEquals(
+            ['1.2.3.0/24', '5.6.7.0/24'],
+            $info['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']
+        );
+        $this->assertFalse($info['ipFilter']['allowAllServiceAgentAccess']);
+    }
+
+    /**
+     * @group storage-ipfilter
+     */
+    public function testCreateBucketWithInvalidIpFilterFails()
+    {
+        $this->expectException(BadRequestException::class);
+
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                // Host bits must be zero for /24 range, so 1.2.3.4/24 is invalid
+                'allowedIpCidrRanges' => ['1.2.3.4/24']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        self::createBucket(
+            self::$client,
+            uniqid(self::TESTING_PREFIX),
+            [
+                'ipFilter' => $ipFilterConfig,
+                'retries' => 0,
+                'sysTestRetries' => 0
+            ]
+        );
+    }
+
+    /**
+     * @group storage-ipfilter
+     */
+    public function testUpdateBucketWithInvalidIpFilterFails()
+    {
+        $bucket = self::createBucket(self::$client, uniqid(self::TESTING_PREFIX));
+
+        $this->expectException(BadRequestException::class);
+
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.4/24']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        $bucket->update(['ipFilter' => $ipFilterConfig]);
+    }
+
+    /**
+     * @group storage-ipfilter
+     */
+    public function testGetBucketWithIpFilter()
+    {
+        $bucketName = uniqid(self::TESTING_PREFIX);
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.0/24']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        self::createBucket(
+            self::$client,
+            $bucketName,
+            ['ipFilter' => $ipFilterConfig]
+        );
+
+        $bucket = self::$client->bucket($bucketName);
+        $info = $bucket->reload();
+
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Disabled', $info['ipFilter']['mode']);
+        $this->assertEquals(
+            ['1.2.3.0/24'],
+            $info['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']
+        );
+    }
+
+    /**
+     * @group storage-ipfilter
+     * @depends testCreateBucketWithIpFilterDisabled
+     */
+    public function testDeleteBucketIpFilter(Bucket $bucket)
+    {
+        $bucket->update(['ipFilter' => null]);
+        $info = $bucket->reload();
+
+        $this->assertArrayNotHasKey('ipFilter', $info);
+    }
+
+    /**
+     * @group storage-ipfilter
+     */
+    public function testBucketAccessWhenEnforced()
+    {
+        $iam = self::$bucket->iam();
+        $isExempt = !empty($iam->testPermissions(['storage.buckets.exemptFromIpFilter']));
+
+        if (!$isExempt) {
+            $this->markTestSkipped(
+                'Runner is not exempt from IP filter. Skipping lockout tests to prevent orphaned resources.'
+            );
+        }
+
+        $bucketName = uniqid(self::TESTING_PREFIX);
+        $ipFilterConfig = [
+            'mode' => 'Enabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.1.1.1/32'] // Blocked IP for runner
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        $bucket = self::createBucket(
+            self::$client,
+            $bucketName,
+            ['ipFilter' => $ipFilterConfig]
+        );
+
+        $objectName = 'test_ip_filter.txt';
+        $objectContent = 'hello world';
+
+        $object = $bucket->upload($objectContent, ['name' => $objectName]);
+        $this->assertEquals($objectContent, $object->downloadAsString());
+
+        $unauthBucket = self::$unauthenticatedClient->bucket($bucketName);
+        $unauthObject = $unauthBucket->object($objectName);
+
+        try {
+            $unauthObject->downloadAsString();
+            $this->fail('Expected unauthenticated download to fail due to IP filter.');
+        } catch (ServiceException $e) {
+            $this->assertEquals(403, $e->getCode());
+            $this->assertStringContainsString('IP filtering', $e->getMessage());
+        }
+    }
 }
diff --git a/Storage/tests/Unit/BucketTest.php b/Storage/tests/Unit/BucketTest.php
index 4f70471fdb21..ebb953ce0b09 100644
--- a/Storage/tests/Unit/BucketTest.php
+++ b/Storage/tests/Unit/BucketTest.php
@@ -631,6 +631,154 @@ public function testUpdatesEncryptionEnforcementConfig()
         );
     }
 
+    public function testUpdatesIpFilterConfig()
+    {
+        $ipFilterConfig = [
+            'mode' => 'Enabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.4/32']
+            ],
+            'vpcNetworkSources' => [
+                [
+                    'network' => 'projects/p1/global/networks/n1',
+                    'allowedIpCidrRanges' => ['10.0.0.0/24']
+                ]
+            ],
+            'allowCrossOrgVpcs' => true,
+            'allowAllServiceAgentAccess' => false
+        ];
+        $this->connection->patchBucket(Argument::withEntry('ipFilter', $ipFilterConfig))
+            ->shouldBeCalled()
+            ->willReturn([
+                'name' => self::BUCKET_NAME,
+                'ipFilter' => $ipFilterConfig
+            ]);
+
+        $bucket = $this->getBucket(['name' => self::BUCKET_NAME]);
+
+        $bucket->update(['ipFilter' => $ipFilterConfig]);
+
+        $this->assertArrayHasKey('ipFilter', $bucket->info());
+        $this->assertEquals(
+            'Enabled',
+            $bucket->info()['ipFilter']['mode']
+        );
+        $this->assertEquals(
+            ['1.2.3.4/32'],
+            $bucket->info()['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']
+        );
+    }
+
+    public function testBucketAccessAllowedWithIpFilter()
+    {
+        $ipFilterConfig = [
+            'mode' => 'Enabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['12.34.56.78/32']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+        $bucketInfo = [
+            'name' => self::BUCKET_NAME,
+            'ipFilter' => $ipFilterConfig
+        ];
+        $this->connection->getBucket(Argument::any())
+            ->shouldBeCalled()
+            ->willReturn($bucketInfo);
+
+        $bucket = $this->getBucket();
+        $info = $bucket->info();
+
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Enabled', $info['ipFilter']['mode']);
+    }
+
+    public function testBucketAccessDeniedByIpFilter()
+    {
+        $this->expectException(ServiceException::class);
+        $this->expectExceptionCode(403);
+        $this->expectExceptionMessage('BUCKET_IP_FILTER_DENIED');
+
+        $this->connection->getBucket(Argument::any())
+            ->shouldBeCalled()
+            ->willThrow(new ServiceException('BUCKET_IP_FILTER_DENIED', 403));
+
+        $bucket = $this->getBucket();
+        $bucket->info();
+    }
+
+    public function testGetBucketWithIpFilter()
+    {
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.0/24']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        $bucketInfo = [
+            'name' => self::BUCKET_NAME,
+            'ipFilter' => $ipFilterConfig
+        ];
+
+        $this->connection->getBucket(Argument::any())
+            ->shouldBeCalled()
+            ->willReturn($bucketInfo);
+
+        $bucket = $this->getBucket();
+        $info = $bucket->info();
+
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Disabled', $info['ipFilter']['mode']);
+        $this->assertEquals(
+            ['1.2.3.0/24'],
+            $info['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']
+        );
+    }
+
+    public function testDisableBucketIpFilter()
+    {
+        $ipFilterConfig = [
+            'mode' => 'Disabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.0/24']
+            ],
+            'allowAllServiceAgentAccess' => true
+        ];
+
+        $bucketInfo = [
+            'name' => self::BUCKET_NAME,
+            'ipFilter' => $ipFilterConfig
+        ];
+
+        $this->connection->patchBucket(Argument::withEntry('ipFilter', $ipFilterConfig))
+            ->shouldBeCalled()
+            ->willReturn($bucketInfo);
+
+        $bucket = $this->getBucket();
+        $info = $bucket->update(['ipFilter' => $ipFilterConfig]);
+
+        $this->assertArrayHasKey('ipFilter', $info);
+        $this->assertEquals('Disabled', $info['ipFilter']['mode']);
+    }
+
+    public function testDeleteBucketIpFilter()
+    {
+        $bucketInfo = [
+            'name' => self::BUCKET_NAME,
+        ];
+
+        $this->connection->patchBucket(Argument::withEntry('ipFilter', null))
+            ->shouldBeCalled()
+            ->willReturn($bucketInfo);
+
+        $bucket = $this->getBucket();
+        $info = $bucket->update(['ipFilter' => null]);
+
+        $this->assertArrayNotHasKey('ipFilter', $info);
+    }
+
     public function testGetsInfo()
     {
         $bucketInfo = [
diff --git a/Storage/tests/Unit/StorageClientTest.php b/Storage/tests/Unit/StorageClientTest.php
index 9883dfe58564..9fc8c7bf6892 100644
--- a/Storage/tests/Unit/StorageClientTest.php
+++ b/Storage/tests/Unit/StorageClientTest.php
@@ -130,6 +130,35 @@ public function testGetsBucketsWithoutToken()
         $this->assertEquals('bucket1', $buckets[0]->name());
     }
 
+    public function testGetsBucketsWithIpFilter()
+    {
+        $ipFilterConfig = [
+            'mode' => 'Enabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.4/32']
+            ]
+        ];
+
+        $this->connection->listBuckets(Argument::any())->willReturn([
+            'items' => [
+                ['name' => 'bucket1', 'ipFilter' => $ipFilterConfig]
+            ]
+        ]);
+        $this->connection->projectId()
+            ->willReturn(self::PROJECT);
+
+        $this->client->___setProperty('connection', $this->connection->reveal());
+        $buckets = iterator_to_array($this->client->buckets());
+
+        $this->assertEquals('bucket1', $buckets[0]->name());
+        $this->assertArrayHasKey('ipFilter', $buckets[0]->info());
+        $this->assertEquals('Enabled', $buckets[0]->info()['ipFilter']['mode']);
+        $this->assertEquals(
+            ['1.2.3.4/32'],
+            $buckets[0]->info()['ipFilter']['publicNetworkSource']['allowedIpCidrRanges']
+        );
+    }
+
     public function testGetsBucketsWithToken()
     {
         $this->connection->listBuckets(Argument::any())
@@ -266,6 +295,43 @@ public function testCreatesBucketWithEncryptionEnforcement()
         );
     }
 
+    public function testCreatesBucketWithIpFilter()
+    {
+        $bucketName = 'ip-filter-bucket';
+        $ipFilterConfig = [
+            'mode' => 'Enabled',
+            'publicNetworkSource' => [
+                'allowedIpCidrRanges' => ['1.2.3.4/32']
+            ],
+            'vpcNetworkSources' => [
+                [
+                    'network' => 'projects/p1/global/networks/n1',
+                    'allowedIpCidrRanges' => ['10.0.0.0/24']
+                ]
+            ],
+            'allowCrossOrgVpcs' => true,
+            'allowAllServiceAgentAccess' => false
+        ];
+        $this->connection->projectId()
+            ->willReturn(self::PROJECT);
+        $this->connection
+            ->insertBucket(Argument::allOf(
+                Argument::withEntry('name', $bucketName),
+                Argument::withEntry('project', self::PROJECT),
+                Argument::withEntry('ipFilter', $ipFilterConfig)
+            ))
+            ->willReturn(['name' => $bucketName]);
+        $this->client->___setProperty('connection', $this->connection->reveal());
+
+        $this->assertInstanceOf(
+            Bucket::class,
+            $this->client->createBucket(
+                $bucketName,
+                ['ipFilter' => $ipFilterConfig]
+            )
+        );
+    }
+
     public function testRegisteringStreamWrapper()
     {
         $this->assertTrue($this->client->registerStreamWrapper());
diff --git a/VectorSearch/metadata/V1/DataObjectSearchService.php b/VectorSearch/metadata/V1/DataObjectSearchService.php
index 34f80ed9d5b4..7ec518151475 100644
--- a/VectorSearch/metadata/V1/DataObjectSearchService.php
+++ b/VectorSearch/metadata/V1/DataObjectSearchService.php
@@ -23,7 +23,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Cloud\Vectorsearch\V1\EmbeddingConfig::initOnce();
         \GPBMetadata\Google\Protobuf\Struct::initOnce();
         $pool->internalAddGeneratedFile(
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         , true);
 
         static::$is_initialized = true;
diff --git a/VectorSearch/metadata/V1/VectorsearchService.php b/VectorSearch/metadata/V1/VectorsearchService.php
index 163e08d1aa1e..6a4875fd56d3 100644
--- a/VectorSearch/metadata/V1/VectorsearchService.php
+++ b/VectorSearch/metadata/V1/VectorsearchService.php
@@ -29,7 +29,7 @@ public static function initOnce() {
         \GPBMetadata\Google\Protobuf\Timestamp::initOnce();
         \GPBMetadata\Google\Rpc\Status::initOnce();
         $pool->internalAddGeneratedFile(
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\x01(\x0E2=.google.cloud.vectorsearch.v1.DenseScannIndex.FeatureNormTypeB\x03\xE0A\x01\"P\x0A\x0FFeatureNormType\x12!\x0A\x1DFEATURE_NORM_TYPE_UNSPECIFIED\x10\x00\x12\x08\x0A\x04NONE\x10\x01\x12\x10\x0A\x0CUNIT_L2_NORM\x10\x022\x8D\x15\x0A\x13VectorSearchService\x12\xC0\x01\x0A\x0FListCollections\x124.google.cloud.vectorsearch.v1.ListCollectionsRequest\x1A5.google.cloud.vectorsearch.v1.ListCollectionsResponse\"@\xDAA\x06parent\x82\xD3\xE4\x93\x021\x12//v1/{parent=projects/*/locations/*}/collections\x12\xAD\x01\x0A\x0DGetCollection\x122.google.cloud.vectorsearch.v1.GetCollectionRequest\x1A(.google.cloud.vectorsearch.v1.Collection\">\xDAA\x04name\x82\xD3\xE4\x93\x021\x12//v1/{name=projects/*/locations/*/collections/*}\x12\xF2\x01\x0A\x10CreateCollection\x125.google.cloud.vectorsearch.v1.CreateCollectionRequest\x1A\x1D.google.longrunning.Operation\"\x87\x01\xCAA\x1F\x0A\x0ACollection\x12\x11OperationMetadata\xDAA\x1Fparent,collection,collection_id\x82\xD3\xE4\x93\x02=\"//v1/{parent=projects/*/locations/*}/collections:\x0Acollection\x12\xF4\x01\x0A\x10UpdateCollection\x125.google.cloud.vectorsearch.v1.UpdateCollectionRequest\x1A\x1D.google.longrunning.Operation\"\x89\x01\xCAA\x1F\x0A\x0ACollection\x12\x11OperationMetadata\xDAA\x16collection,update_mask\x82\xD3\xE4\x93\x02H2:/v1/{collection.name=projects/*/locations/*/collections/*}:\x0Acollection\x12\xD5\x01\x0A\x10DeleteCollection\x125.google.cloud.vectorsearch.v1.DeleteCollectionRequest\x1A\x1D.google.longrunning.Operation\"k\xCAA*\x0A\x15google.protobuf.Empty\x12\x11OperationMetadata\xDAA\x04name\x82\xD3\xE4\x93\x021*//v1/{name=projects/*/locations/*/collections/*}\x12\xBE\x01\x0A\x0BListIndexes\x120.google.cloud.vectorsearch.v1.ListIndexesRequest\x1A1.google.cloud.vectorsearch.v1.ListIndexesResponse\"J\xDAA\x06parent\x82\xD3\xE4\x93\x02;\x129/v1/{parent=projects/*/locations/*/collections/*}/indexes\x12\xA8\x01\x0A\x08GetIndex\x12-.google.cloud.vectorsearch.v1.GetIndexRequest\x1A#.google.cloud.vectorsearch.v1.Index\"H\xDAA\x04name\x82\xD3\xE4\x93\x02;\x129/v1/{name=projects/*/locations/*/collections/*/indexes/*}\x12\xDD\x01\x0A\x0BCreateIndex\x120.google.cloud.vectorsearch.v1.CreateIndexRequest\x1A\x1D.google.longrunning.Operation\"}\xCAA\x1A\x0A\x05Index\x12\x11OperationMetadata\xDAA\x15parent,index,index_id\x82\xD3\xE4\x93\x02B\"9/v1/{parent=projects/*/locations/*/collections/*}/indexes:\x05index\x12\xDF\x01\x0A\x0BUpdateIndex\x120.google.cloud.vectorsearch.v1.UpdateIndexRequest\x1A\x1D.google.longrunning.Operation\"\x7F\xCAA\x1A\x0A\x05Index\x12\x11OperationMetadata\xDAA\x11index,update_mask\x82\xD3\xE4\x93\x02H2?/v1/{index.name=projects/*/locations/*/collections/*/indexes/*}:\x05index\x12\xD5\x01\x0A\x0BDeleteIndex\x120.google.cloud.vectorsearch.v1.DeleteIndexRequest\x1A\x1D.google.longrunning.Operation\"u\xCAA*\x0A\x15google.protobuf.Empty\x12\x11OperationMetadata\xDAA\x04name\x82\xD3\xE4\x93\x02;*9/v1/{name=projects/*/locations/*/collections/*/indexes/*}\x12\xF2\x01\x0A\x11ImportDataObjects\x126.google.cloud.vectorsearch.v1.ImportDataObjectsRequest\x1A\x1D.google.longrunning.Operation\"\x85\x01\xCAA6\x0A\x19ImportDataObjectsResponse\x12\x19ImportDataObjectsMetadata\x82\xD3\xE4\x93\x02F\"A/v1/{name=projects/*/locations/*/collections/*}:importDataObjects:\x01*\x12\xF2\x01\x0A\x11ExportDataObjects\x126.google.cloud.vectorsearch.v1.ExportDataObjectsRequest\x1A\x1D.google.longrunning.Operation\"\x85\x01\xCAA6\x0A\x19ExportDataObjectsResponse\x12\x19ExportDataObjectsMetadata\x82\xD3\xE4\x93\x02F\"A/v1/{name=projects/*/locations/*/collections/*}:exportDataObjects:\x01*\x1AO\xCAA\x1Bvectorsearch.googleapis.com\xD2A.https://www.googleapis.com/auth/cloud-platformB\xE4\x01\x0A com.google.cloud.vectorsearch.v1B\x18VectorSearchServiceProtoP\x01ZDcloud.google.com/go/vectorsearch/apiv1/vectorsearchpb;vectorsearchpb\xAA\x02\x1CGoogle.Cloud.VectorSearch.V1\xCA\x02\x1CGoogle\\Cloud\\VectorSearch\\V1\xEA\x02\x1FGoogle::Cloud::VectorSearch::V1b\x06proto3"
         , true);
 
         static::$is_initialized = true;
diff --git a/VectorSearch/samples/V1/DataObjectSearchServiceClient/list_locations.php b/VectorSearch/samples/V1/DataObjectSearchServiceClient/list_locations.php
index 65a26d857a7f..b42cf457da0d 100644
--- a/VectorSearch/samples/V1/DataObjectSearchServiceClient/list_locations.php
+++ b/VectorSearch/samples/V1/DataObjectSearchServiceClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/samples/V1/DataObjectServiceClient/list_locations.php b/VectorSearch/samples/V1/DataObjectServiceClient/list_locations.php
index 0a4730deaa8c..5ac76f799c96 100644
--- a/VectorSearch/samples/V1/DataObjectServiceClient/list_locations.php
+++ b/VectorSearch/samples/V1/DataObjectServiceClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/samples/V1/VectorSearchServiceClient/list_locations.php b/VectorSearch/samples/V1/VectorSearchServiceClient/list_locations.php
index 212feaf99516..d0d1d58c98ee 100644
--- a/VectorSearch/samples/V1/VectorSearchServiceClient/list_locations.php
+++ b/VectorSearch/samples/V1/VectorSearchServiceClient/list_locations.php
@@ -33,9 +33,8 @@
  * Lists information about the supported locations for this service.
  *
  * This method lists locations based on the resource scope provided in
- * the [ListLocationsRequest.name] field:
- *
- * * **Global locations**: If `name` is empty, the method lists the
+ * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+ * **Global locations**: If `name` is empty, the method lists the
  * public locations available to all projects. * **Project-specific
  * locations**: If `name` follows the format
  * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/src/V1/Client/DataObjectSearchServiceClient.php b/VectorSearch/src/V1/Client/DataObjectSearchServiceClient.php
index 0459e3a28625..92898165d8f6 100644
--- a/VectorSearch/src/V1/Client/DataObjectSearchServiceClient.php
+++ b/VectorSearch/src/V1/Client/DataObjectSearchServiceClient.php
@@ -403,9 +403,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/src/V1/Client/DataObjectServiceClient.php b/VectorSearch/src/V1/Client/DataObjectServiceClient.php
index a590f471ede8..7a4c3e9daca6 100644
--- a/VectorSearch/src/V1/Client/DataObjectServiceClient.php
+++ b/VectorSearch/src/V1/Client/DataObjectServiceClient.php
@@ -486,9 +486,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/src/V1/Client/VectorSearchServiceClient.php b/VectorSearch/src/V1/Client/VectorSearchServiceClient.php
index 04b146b496da..cf1d2033847e 100644
--- a/VectorSearch/src/V1/Client/VectorSearchServiceClient.php
+++ b/VectorSearch/src/V1/Client/VectorSearchServiceClient.php
@@ -720,9 +720,8 @@ public function getLocation(GetLocationRequest $request, array $callOptions = []
      * Lists information about the supported locations for this service.
      *
      * This method lists locations based on the resource scope provided in
-     * the [ListLocationsRequest.name] field:
-     *
-     * * **Global locations**: If `name` is empty, the method lists the
+     * the [ListLocationsRequest.name][google.cloud.location.ListLocationsRequest.name] field: *
+     * **Global locations**: If `name` is empty, the method lists the
      * public locations available to all projects. * **Project-specific
      * locations**: If `name` follows the format
      * `projects/{project}`, the method lists locations visible to that
diff --git a/VectorSearch/src/V1/DeleteCollectionRequest.php b/VectorSearch/src/V1/DeleteCollectionRequest.php
index a15a54e937b2..51d6fcc50cc3 100644
--- a/VectorSearch/src/V1/DeleteCollectionRequest.php
+++ b/VectorSearch/src/V1/DeleteCollectionRequest.php
@@ -37,6 +37,14 @@ class DeleteCollectionRequest extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>string request_id = 2 [(.google.api.field_behavior) = OPTIONAL, (.google.api.field_info) = {</code>
      */
     protected $request_id = '';
+    /**
+     * Optional. If set to true, any Indexes and DataObjects from this Collection
+     * will also be deleted. (Otherwise, the request will only work if the
+     * Collection has no Indexes and DataObjects.)
+     *
+     * Generated from protobuf field <code>bool force = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    protected $force = false;
 
     /**
      * @param string $name Required. Name of the resource
@@ -72,6 +80,10 @@ public static function build(string $name): self
      *           clients from accidentally creating duplicate commitments.
      *           The request ID must be a valid UUID with the exception that zero UUID is
      *           not supported (00000000-0000-0000-0000-000000000000).
+     *     @type bool $force
+     *           Optional. If set to true, any Indexes and DataObjects from this Collection
+     *           will also be deleted. (Otherwise, the request will only work if the
+     *           Collection has no Indexes and DataObjects.)
      * }
      */
     public function __construct($data = NULL) {
@@ -151,5 +163,35 @@ public function setRequestId($var)
         return $this;
     }
 
+    /**
+     * Optional. If set to true, any Indexes and DataObjects from this Collection
+     * will also be deleted. (Otherwise, the request will only work if the
+     * Collection has no Indexes and DataObjects.)
+     *
+     * Generated from protobuf field <code>bool force = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return bool
+     */
+    public function getForce()
+    {
+        return $this->force;
+    }
+
+    /**
+     * Optional. If set to true, any Indexes and DataObjects from this Collection
+     * will also be deleted. (Otherwise, the request will only work if the
+     * Collection has no Indexes and DataObjects.)
+     *
+     * Generated from protobuf field <code>bool force = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param bool $var
+     * @return $this
+     */
+    public function setForce($var)
+    {
+        GPBUtil::checkBool($var);
+        $this->force = $var;
+
+        return $this;
+    }
+
 }
 
diff --git a/VectorSearch/src/V1/ExportDataObjectsRequest.php b/VectorSearch/src/V1/ExportDataObjectsRequest.php
index 707456e9a116..a9f2f3782806 100644
--- a/VectorSearch/src/V1/ExportDataObjectsRequest.php
+++ b/VectorSearch/src/V1/ExportDataObjectsRequest.php
@@ -24,6 +24,17 @@ class ExportDataObjectsRequest extends \Google\Protobuf\Internal\Message
      * Generated from protobuf field <code>string name = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = {</code>
      */
     protected $name = '';
+    /**
+     * Optional. Restricts which top-level Data Object fields appear in each
+     * exported JSONL record. If unset, every field is exported (the existing
+     * behavior). The primary use case is excluding the per-object `etag` so
+     * that the exported records can be imported into a Collection in a
+     * different region without optimistic-concurrency conflicts.
+     * Allowed field names are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter field_filter = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     */
+    protected $field_filter = null;
     protected $destination;
 
     /**
@@ -38,6 +49,13 @@ class ExportDataObjectsRequest extends \Google\Protobuf\Internal\Message
      *           Required. The resource name of the Collection from which we want to export
      *           Data Objects. Format:
      *           `projects/{project}/locations/{location}/collections/{collection}`.
+     *     @type \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter $field_filter
+     *           Optional. Restricts which top-level Data Object fields appear in each
+     *           exported JSONL record. If unset, every field is exported (the existing
+     *           behavior). The primary use case is excluding the per-object `etag` so
+     *           that the exported records can be imported into a Collection in a
+     *           different region without optimistic-concurrency conflicts.
+     *           Allowed field names are `id`, `data`, `vectors`, `etag`.
      * }
      */
     public function __construct($data = NULL) {
@@ -106,6 +124,52 @@ public function setName($var)
         return $this;
     }
 
+    /**
+     * Optional. Restricts which top-level Data Object fields appear in each
+     * exported JSONL record. If unset, every field is exported (the existing
+     * behavior). The primary use case is excluding the per-object `etag` so
+     * that the exported records can be imported into a Collection in a
+     * different region without optimistic-concurrency conflicts.
+     * Allowed field names are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter field_filter = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter|null
+     */
+    public function getFieldFilter()
+    {
+        return $this->field_filter;
+    }
+
+    public function hasFieldFilter()
+    {
+        return isset($this->field_filter);
+    }
+
+    public function clearFieldFilter()
+    {
+        unset($this->field_filter);
+    }
+
+    /**
+     * Optional. Restricts which top-level Data Object fields appear in each
+     * exported JSONL record. If unset, every field is exported (the existing
+     * behavior). The primary use case is excluding the per-object `etag` so
+     * that the exported records can be imported into a Collection in a
+     * different region without optimistic-concurrency conflicts.
+     * Allowed field names are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter field_filter = 3 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter $var
+     * @return $this
+     */
+    public function setFieldFilter($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter::class);
+        $this->field_filter = $var;
+
+        return $this;
+    }
+
     /**
      * @return string
      */
diff --git a/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter.php b/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter.php
new file mode 100644
index 000000000000..1e593020b28c
--- /dev/null
+++ b/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter.php
@@ -0,0 +1,114 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/vectorsearch/v1/vectorsearch_service.proto
+
+namespace Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBUtil;
+use Google\Protobuf\RepeatedField;
+
+/**
+ * Selects which top-level Data Object fields are emitted at export time.
+ *
+ * Generated from protobuf message <code>google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter</code>
+ */
+class FieldFilter extends \Google\Protobuf\Internal\Message
+{
+    protected $selector;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList $included_fields
+     *           Optional. Only these top-level fields will appear in each exported
+     *           record.
+     *     @type \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList $excluded_fields
+     *           Optional. Every top-level field except these will appear in each
+     *           exported record.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Vectorsearch\V1\VectorsearchService::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Optional. Only these top-level fields will appear in each exported
+     * record.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter.FieldList included_fields = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList|null
+     */
+    public function getIncludedFields()
+    {
+        return $this->readOneof(1);
+    }
+
+    public function hasIncludedFields()
+    {
+        return $this->hasOneof(1);
+    }
+
+    /**
+     * Optional. Only these top-level fields will appear in each exported
+     * record.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter.FieldList included_fields = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList $var
+     * @return $this
+     */
+    public function setIncludedFields($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList::class);
+        $this->writeOneof(1, $var);
+
+        return $this;
+    }
+
+    /**
+     * Optional. Every top-level field except these will appear in each
+     * exported record.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter.FieldList excluded_fields = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @return \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList|null
+     */
+    public function getExcludedFields()
+    {
+        return $this->readOneof(2);
+    }
+
+    public function hasExcludedFields()
+    {
+        return $this->hasOneof(2);
+    }
+
+    /**
+     * Optional. Every top-level field except these will appear in each
+     * exported record.
+     *
+     * Generated from protobuf field <code>.google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter.FieldList excluded_fields = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
+     * @param \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList $var
+     * @return $this
+     */
+    public function setExcludedFields($var)
+    {
+        GPBUtil::checkMessage($var, \Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter\FieldList::class);
+        $this->writeOneof(2, $var);
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getSelector()
+    {
+        return $this->whichOneof("selector");
+    }
+
+}
+
diff --git a/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter/FieldList.php b/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter/FieldList.php
new file mode 100644
index 000000000000..ce86b2d34c8d
--- /dev/null
+++ b/VectorSearch/src/V1/ExportDataObjectsRequest/FieldFilter/FieldList.php
@@ -0,0 +1,73 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/cloud/vectorsearch/v1/vectorsearch_service.proto
+
+namespace Google\Cloud\VectorSearch\V1\ExportDataObjectsRequest\FieldFilter;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\GPBUtil;
+use Google\Protobuf\RepeatedField;
+
+/**
+ * Wrapper for a repeated string. Wrapping in a message lets the
+ * surrounding `oneof` distinguish "field set to an empty list" (which is
+ * rejected as INVALID_ARGUMENT) from "field not set".
+ *
+ * Generated from protobuf message <code>google.cloud.vectorsearch.v1.ExportDataObjectsRequest.FieldFilter.FieldList</code>
+ */
+class FieldList extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Required. The list of top-level Data Object JSON field names. Allowed
+     * values are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>repeated string fields = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     */
+    private $fields;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type string[] $fields
+     *           Required. The list of top-level Data Object JSON field names. Allowed
+     *           values are `id`, `data`, `vectors`, `etag`.
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Cloud\Vectorsearch\V1\VectorsearchService::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Required. The list of top-level Data Object JSON field names. Allowed
+     * values are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>repeated string fields = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * @return RepeatedField<string>
+     */
+    public function getFields()
+    {
+        return $this->fields;
+    }
+
+    /**
+     * Required. The list of top-level Data Object JSON field names. Allowed
+     * values are `id`, `data`, `vectors`, `etag`.
+     *
+     * Generated from protobuf field <code>repeated string fields = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * @param string[] $var
+     * @return $this
+     */
+    public function setFields($var)
+    {
+        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::STRING);
+        $this->fields = $arr;
+
+        return $this;
+    }
+
+}
+
diff --git a/VectorSearch/src/V1/TextSearch.php b/VectorSearch/src/V1/TextSearch.php
index 60bd53821ac3..993f2254b919 100644
--- a/VectorSearch/src/V1/TextSearch.php
+++ b/VectorSearch/src/V1/TextSearch.php
@@ -16,15 +16,16 @@
 class TextSearch extends \Google\Protobuf\Internal\Message
 {
     /**
-     * Required. The query text.
+     * Optional. The query text. Required when using the default text search mode.
      *
-     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
     protected $search_text = '';
     /**
-     * Required. The data field names to search.
+     * Optional. The data field names to search. Required when using the default
+     * text search mode.
      *
-     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
      */
     private $data_field_names;
     /**
@@ -54,9 +55,10 @@ class TextSearch extends \Google\Protobuf\Internal\Message
      *     Optional. Data for populating the Message object.
      *
      *     @type string $search_text
-     *           Required. The query text.
+     *           Optional. The query text. Required when using the default text search mode.
      *     @type string[] $data_field_names
-     *           Required. The data field names to search.
+     *           Optional. The data field names to search. Required when using the default
+     *           text search mode.
      *     @type \Google\Cloud\VectorSearch\V1\OutputFields $output_fields
      *           Optional. The fields to return in the search results.
      *     @type int $top_k
@@ -72,9 +74,9 @@ public function __construct($data = NULL) {
     }
 
     /**
-     * Required. The query text.
+     * Optional. The query text. Required when using the default text search mode.
      *
-     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @return string
      */
     public function getSearchText()
@@ -83,9 +85,9 @@ public function getSearchText()
     }
 
     /**
-     * Required. The query text.
+     * Optional. The query text. Required when using the default text search mode.
      *
-     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>string search_text = 1 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @param string $var
      * @return $this
      */
@@ -98,9 +100,10 @@ public function setSearchText($var)
     }
 
     /**
-     * Required. The data field names to search.
+     * Optional. The data field names to search. Required when using the default
+     * text search mode.
      *
-     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @return RepeatedField<string>
      */
     public function getDataFieldNames()
@@ -109,9 +112,10 @@ public function getDataFieldNames()
     }
 
     /**
-     * Required. The data field names to search.
+     * Optional. The data field names to search. Required when using the default
+     * text search mode.
      *
-     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = REQUIRED];</code>
+     * Generated from protobuf field <code>repeated string data_field_names = 2 [(.google.api.field_behavior) = OPTIONAL];</code>
      * @param string[] $var
      * @return $this
      */