Update a thing type - Amazon IoT Core
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Update a thing type

You can use the UpdateThingType command to update a thing type when you create a thing:

$ aws iot create-thing --thing-name "MyLightBulb" --thing-type-name "LightBulb" --attribute-payload "{\"attributes\": {\"wattage\":\"75\", \"model\":\"123\"}}"

You can use the UpdateThing command at any time to change the thing type associated with a thing:

$ aws iot update-thing --thing-name "MyLightBulb"
                --thing-type-name "LightBulb" --attribute-payload  "{\"attributes\": {\"wattage\":\"75\", \"model\":\"123\"}}"

You can also use the UpdateThing command to disassociate a thing from a thing type.