**To get a system instance** The following ``get-system-instance`` example gets a definition for a system instance. :: aws iotthingsgraph get-system-instance \ --id "urn:tdm:us-west-2/123456789012/default:Deployment:Room218" Output:: { "description": { "summary": { "id": "urn:tdm:us-west-2/123456789012/default:Deployment:Room218", "arn": "arn:aws:iotthingsgraph:us-west-2:123456789012:Deployment/default/Room218", "status": "NOT_DEPLOYED", "target": "CLOUD", "createdAt": 1559249315.208, "updatedAt": 1559249315.208 }, "definition": { "language": "GRAPHQL", "text": "{\r\nquery Room218 @deployment(id: \"urn:tdm:us-west-2/123456789012/default:Deployment:Room218\", systemId: \"urn:tdm:us-west-2/123456789012/default:System:SecurityFlow\") {\r\n motionSensor(deviceId: \"MotionSensorName\")\r\n screen(deviceId: \"ScreenName\")\r\n camera(deviceId: \"CameraName\") \r\n triggers {MotionEventTrigger(description: \"a trigger\") { \r\n condition(expr: \"devices[name == 'motionSensor'].events[name == 'StateChanged'].lastEvent\") \r\n action(expr: \"ThingsGraph.startFlow('SecurityFlow', bindings[name == 'camera'].deviceId, bindings[name == 'screen'].deviceId)\")\r\n }\r\n }\r\n }\r\n }" }, "metricsConfiguration": { "cloudMetricEnabled": false }, "validatedNamespaceVersion": 5, "flowActionsRoleArn": "arn:aws:iam::123456789012:role/ThingsGraphRole" } } 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*.