**To list the thing groups defined in your AWS account** The following ``describe-thing-group`` example lists all thing groups defined in your AWS account. :: aws iot list-thing-groups Output:: { "thingGroups": [ { "groupName": "HalogenBulbs", "groupArn": "arn:aws:iot:us-west-2:123456789012:thinggroup/HalogenBulbs" }, { "groupName": "LightBulbs", "groupArn": "arn:aws:iot:us-west-2:123456789012:thinggroup/LightBulbs" } ] } For more information, see `Thing Groups <https://docs.aws.amazon.com/iot/latest/developerguide/thing-groups.html>`__ in the *AWS IoT Developers Guide*.