Device Twin Modification

This topic is used to publish device twin modifications.

Topic

$hw/events/device/{device_id}/twin/update

Parameter	Type	Description
device_id	String	End device ID.

Usage

Use an MQTT client to publish this topic. This topic must be used together with Device Twin Modification Result.

Parameter Description

Parameter	Type	Description
event_id	String	Event ID.
timestamp	Int64	Timestamp when the event occurred.
twin	Object	A set of device twin information to be modified. The twin property is in the key-value pair format. The key is the name of the twin property to be modified, and the value contains the expected value of the expected status to be modified or the actual value of the actual status to be modified.

Example

$hw/events/device/ab39361a-6fc0-4c94-b919-72b1e08ca690/twin/update

{
     "event_id":"123457",
     "twin":{
         "state":{
             "actual":{
                 "value":"stop"
             }
         }
     }
 }

Parent topic: MQTT Topics

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