docs(sns): expand grant* JSDoc with granted actions#37991
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List the IAM and KMS permissions granted by grantPublish and grantSubscribe so users can see what the helpers do without reading the source. Closes aws#35736
aws-cdk-automation
previously requested changes
May 24, 2026
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Issue # (if applicable)
Closes #35736.
Reason for this change
The SNS
TopicAPI reference is light on detail compared to SQS. In particular,grantPublishandgrantSubscribedo not list the IAM and KMS actions they grant, so users have to read the source to confirm whether SSE-encrypted topics are handled correctly.Description of changes
JSDoc-only update on
ITopicandTopicBaseinpackages/aws-cdk-lib/aws-sns/lib/topic-base.ts:grantPublish: lists the granted IAM action (sns:Publish) and the KMS actions (kms:Decrypt,kms:GenerateDataKey*) added when the topic is encrypted with a customer-managed KMS key. Adds a@seelink to the SNS server-side encryption docs.grantSubscribe: lists the granted IAM action (sns:Subscribe) and clarifies that this only grants permission to call theSubscribeAPI, not to receive messages on a particular delivery protocol. Notes that KMS permissions are not required for subscribing.Follows the same JSDoc style already used by
grantConsumeMessages/grantSendMessagesinpackages/aws-cdk-lib/aws-sqs/lib/queue-base.ts.Describe any new or updated permissions being added
None. This PR is documentation only and does not change any granted permissions or generated CloudFormation output.
Description of how you validated changes
packages/aws-cdk-lib/aws-sns/test/sns.test.ts:give publishing permissions to CfnTopicassertssns:Publish.give service principal permissions to publish to CfnTopic with encryption keyassertskms:Decryptandkms:GenerateDataKey*on the master key.give subscribing permissionsassertssns:Subscribe.Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license