s.amazon.com/systems-manager/latest/userguide/security_iam_service-with-iam.html#policy-conditions">
                 ssm:SourceInstanceARN
                </a>
               </td>
               <td tabindex="-1">
                Filters access by verifying the Amazon Resource Name (ARN) of the AWS Systems Manager's managed instance from which the request is made. This key is not present when the request comes from the managed instance authenticated with an IAM role associated with EC2 instance profile
  