Values.IamUserSourceProvides information about an Identity and Access Management (IAM) user who performed an action on an affected resource.
type nonrec t = {accountId : string option;The unique identifier for the Amazon Web Services account that's associated with the IAM user who performed the action.
*)arn : string option;The Amazon Resource Name (ARN) of the principal that performed the action. The last section of the ARN contains the name of the user who performed the action.
*)principalId : string option;The unique identifier for the IAM user who performed the action.
*)userName : string option;The username of the IAM user who performed the action.
*)}