KmsMasterKeyId – The ID of an Amazon Web Services managed customer master
key (CMK) for Amazon SNS or a custom CMK. For more information, see Key
Terms. For more examples, see KeyId in the Key Management Service API
Reference.
The following attribute applies only to FIFO topics:
ContentBasedDeduplication – Enables content-based deduplication for
FIFO topics.
By default, ContentBasedDeduplication is set to false.
If you create a FIFO topic and this attribute is false, you must
specify a value for the MessageDeduplicationId parameter for the
Publish action.
When you set ContentBasedDeduplication to true,
Amazon SNS uses a SHA-256 hash to generate the MessageDeduplicationId using
the body of the message (but not the attributes of the message).
(Optional) To override the generated value, you can specify a value
for the MessageDeduplicationId parameter for the Publish
action.
A map of attributes with their corresponding values.
The following lists the names, descriptions, and values of the special request parameters that the
SetTopicAttributesaction uses:DeliveryPolicy– The policy that defines how Amazon SNS retries failed deliveries to HTTP/S endpoints.DisplayName– The display name to use for a topic with SMS subscriptions.Policy– The policy that defines who can access your topic. By default, only the topic owner can publish or subscribe to the topic.The following attribute applies only to server-side-encryption:
KmsMasterKeyId– The ID of an Amazon Web Services managed customer master key (CMK) for Amazon SNS or a custom CMK. For more information, see Key Terms. For more examples, see KeyId in the Key Management Service API Reference.The following attribute applies only to FIFO topics:
ContentBasedDeduplication– Enables content-based deduplication for FIFO topics.By default,
ContentBasedDeduplicationis set tofalse. If you create a FIFO topic and this attribute isfalse, you must specify a value for theMessageDeduplicationIdparameter for the Publish action.When you set
ContentBasedDeduplicationtotrue, Amazon SNS uses a SHA-256 hash to generate theMessageDeduplicationIdusing the body of the message (but not the attributes of the message).(Optional) To override the generated value, you can specify a value for the
MessageDeduplicationIdparameter for thePublishaction.