**Example: To view approval history and status for a change template** The following ``list-document-metadata-history`` example returns the approval history for the specified Change Manager change template. :: aws ssm list-document-metadata-history \ --name MyChangeManageTemplate \ --metadata DocumentReviews Output:: { "Name": "MyChangeManagerTemplate", "DocumentVersion": "1", "Author": "arn:aws:iam::111222333444;:user/JohnDoe", "Metadata": { "ReviewerResponse": [ { "CreateTime": "2021-07-30T11:58:28.025000-07:00", "UpdatedTime": "2021-07-30T12:01:19.274000-07:00", "ReviewStatus": "APPROVED", "Comment": [ { "Type": "COMMENT", "Content": "I approve this template version" } ], "Reviewer": "arn:aws:iam::111222333444;:user/ShirleyRodriguez" }, { "CreateTime": "2021-07-30T11:58:28.025000-07:00", "UpdatedTime": "2021-07-30T11:58:28.025000-07:00", "ReviewStatus": "PENDING" } ] } } For more information, see `Reviewing and approving or rejecting change templates <https://docs.aws.amazon.com/systems-manager/latest/userguide/change-templates-review.html>`__ in the *AWS Systems Manager User Guide*.