**To update a flow** The following ``update-flow-template`` example updates a flow (workflow). The value of ``MyFlowDefinition`` is the GraphQL that models the flow. :: aws iotthingsgraph update-flow-template \ --id "urn:tdm:us-west-2/123456789012/default:Workflow:MyFlow" \ --definition language=GRAPHQL,text="MyFlowDefinition" Output:: { "summary": { "createdAt": 1559248067.545, "id": "urn:tdm:us-west-2/123456789012/default:Workflow:MyFlow", "revisionNumber": 2 } } For more information, see `Working with Flows <https://docs.aws.amazon.com/thingsgraph/latest/ug/iot-tg-workflows.html>`__ in the *AWS IoT Things Graph User Guide*.