Amazon SNS subscription filter policies
A subscription filter policy allows you to specify property names and assign a list of values to each property name. For more information, see Amazon SNS message filtering.
When Amazon SNS evaluates message attributes or message body properties against the subscription filter policy, it ignores the ones that aren't specified in the policy.
Important
AWS services such as IAM and Amazon SNS use a distributed computing model called eventual consistency. Additions or changes to a subscription filter policy require up to 15 minutes to fully take effect.
A subscription accepts a message under the following conditions:
-
When the filter policy scope is set to
MessageAttributes, each property name in the filter policy matches a message attribute name. For each matching property name in the filter policy, at least one property value matches the message attribute value. -
When the filter policy scope is set to
MessageBody, each property name in the filter policy matches a message body property name. For each matching property name in the filter policy, at least one property value matches the message body property value.
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