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AWS CloudTrail
User Guide (Version 1.0)

sharedEventID Example

The following is an example that describes how CloudTrail delivers two events for the same action:

  1. Alice has AWS account (111111111111) and creates a customer master key (CMK). She is the owner of this CMK.

  2. Bob has AWS account (222222222222). Alice gives Bob permission to use the CMK.

  3. Each account has a trail and a separate bucket.

  4. Bob uses the CMK to call the Encrypt API.

  5. CloudTrail sends two separate events.

    • One event is sent to Bob. The event shows that he used the CMK.

    • One event is sent to Alice. The event shows that Bob used the CMK.

    • The events have the same sharedEventID, but the eventID and recipientAccountID are unique.


					How the sharedEventID field appears in logs