An event from a source outside of Amazon Web Services that you want CloudTrail to log.
The content of an audit event that comes from the event, such as userIdentity, userAgent, and eventSource.
userIdentity
userAgent
eventSource
A checksum is a base64-SHA256 algorithm that helps you verify that CloudTrail receives the event that matches with the checksum. Calculate the checksum by running a command like the following:
The original event ID from the source event.