**To get revision information about a system** The following ``get-system-template-revisions`` example gets revision information about a system. :: aws iotthingsgraph get-system-template-revisions \ --id "urn:tdm:us-west-2/123456789012/default:System:MySystem" Output:: { "summaries": [ { "id": "urn:tdm:us-west-2/123456789012/default:System:MySystem", "arn": "arn:aws:iotthingsgraph:us-west-2:123456789012:System/default/MySystem", "revisionNumber": 1, "createdAt": 1559247540.656 } ] } For more information, see `Working with Systems and Flow Configurations <https://docs.aws.amazon.com/thingsgraph/latest/ug/iot-tg-sysdeploy.html>`__ in the *AWS IoT Things Graph User Guide*.