**To list fleets** This example lists fleets. A maximum of 20 fleets will be returned. Command:: aws robomaker list-fleets --max-items 20 Output:: { "fleetDetails": [ { "name": "Trek", "arn": "arn:aws:robomaker:us-west-2:111111111111:deployment-fleet/MyFleet/1539894765711", "createdAt": 1539894765.0, "lastDeploymentStatus": "Failed", "lastDeploymentJob": "arn:aws:robomaker:us-west-2:111111111111:deployment-job/deployment-4w4g69p25zdb", "lastDeploymentTime": 1544719763.0 } ] }