diff --git a/cwms-data-api-client/src/main/java/mil/army/usace/hec/cwms/data/api/client/controllers/ForecastSpecEndpointInput.java b/cwms-data-api-client/src/main/java/mil/army/usace/hec/cwms/data/api/client/controllers/ForecastSpecEndpointInput.java
index 7ba28216..2d0ca2aa 100644
--- a/cwms-data-api-client/src/main/java/mil/army/usace/hec/cwms/data/api/client/controllers/ForecastSpecEndpointInput.java
+++ b/cwms-data-api-client/src/main/java/mil/army/usace/hec/cwms/data/api/client/controllers/ForecastSpecEndpointInput.java
@@ -90,11 +90,13 @@ public static final class GetAll extends EndpointInput {
         static final String LOCATION_MASK_QUERY_PARAMETER = "location-mask";
         static final String DESIGNATOR_MASK_QUERY_PARAMETER = "designator-mask";
         static final String SOURCE_ENTITY_QUERY_PARAMETER = "source-entity";
+        static final String SOURCE_ENTITY_LIKE_QUERY_PARAMETER = "source-entity-like";
         private String officeId;
         private String specIdMask;
         private String locationIdMask;
         private String designatorMask;
         private String sourceEntityId;
+        private String sourceEntityLike;
 
 
         private GetAll() {
@@ -126,6 +128,11 @@ public ForecastSpecEndpointInput.GetAll sourceEntityId(String sourceEntityId) {
             return this;
         }
 
+        public ForecastSpecEndpointInput.GetAll sourceEntityLike(String sourceEntityLike) {
+            this.sourceEntityLike = sourceEntityLike;
+            return this;
+        }
+
         @Override
         protected HttpRequestBuilder addInputParameters(HttpRequestBuilder httpRequestBuilder) {
             return httpRequestBuilder.addQueryParameter(ID_MASK_QUERY_PARAMETER, specIdMask)
@@ -133,6 +140,7 @@ protected HttpRequestBuilder addInputParameters(HttpRequestBuilder httpRequestBu
                     .addQueryParameter(LOCATION_MASK_QUERY_PARAMETER, locationIdMask)
                     .addQueryParameter(DESIGNATOR_MASK_QUERY_PARAMETER, designatorMask)
                     .addQueryParameter(SOURCE_ENTITY_QUERY_PARAMETER, sourceEntityId)
+                    .addQueryParameter(SOURCE_ENTITY_LIKE_QUERY_PARAMETER, sourceEntityLike)
                     .addQueryHeader(ACCEPT_QUERY_HEADER, ACCEPT_HEADER_V2);
         }
     }
diff --git a/cwms-data-api-client/src/test/java/mil/army/usace/hec/cwms/data/api/client/controllers/TestForecastSpecEndpointInput.java b/cwms-data-api-client/src/test/java/mil/army/usace/hec/cwms/data/api/client/controllers/TestForecastSpecEndpointInput.java
index 29effcef..76faecf3 100644
--- a/cwms-data-api-client/src/test/java/mil/army/usace/hec/cwms/data/api/client/controllers/TestForecastSpecEndpointInput.java
+++ b/cwms-data-api-client/src/test/java/mil/army/usace/hec/cwms/data/api/client/controllers/TestForecastSpecEndpointInput.java
@@ -54,13 +54,15 @@ void testGetAllQueryRequest() {
                 .specIdMask("test-spec")
                 .designatorMask("designator")
                 .sourceEntityId("source-entity")
-                .locationIdMask("location");
+                .locationIdMask("location")
+                .sourceEntityLike("%");
         input.addInputParameters(mockHttpRequestBuilder);
         assertEquals("SWT", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.OFFICE_QUERY_PARAMETER));
         assertEquals("test-spec", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.ID_MASK_QUERY_PARAMETER));
         assertEquals("designator", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.DESIGNATOR_MASK_QUERY_PARAMETER));
         assertEquals("source-entity", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.SOURCE_ENTITY_QUERY_PARAMETER));
         assertEquals("location", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.LOCATION_MASK_QUERY_PARAMETER));
+        assertEquals("%", mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.SOURCE_ENTITY_LIKE_QUERY_PARAMETER));
         assertEquals(ACCEPT_HEADER_V2, mockHttpRequestBuilder.getQueryHeader(ACCEPT_QUERY_HEADER));
     }
 
@@ -74,6 +76,7 @@ void testGetAllQueryRequestDefaults() {
         assertNull(mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.DESIGNATOR_MASK_QUERY_PARAMETER));
         assertNull(mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.SOURCE_ENTITY_QUERY_PARAMETER));
         assertNull(mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.LOCATION_MASK_QUERY_PARAMETER));
+        assertNull(mockHttpRequestBuilder.getQueryParameter(ForecastSpecEndpointInput.GetAll.SOURCE_ENTITY_LIKE_QUERY_PARAMETER));
         assertEquals(ACCEPT_HEADER_V2, mockHttpRequestBuilder.getQueryHeader(ACCEPT_QUERY_HEADER));
     }