Updated on 2022-08-11 GMT+08:00

Device Member Acquisition Result

This topic is used to subscribe to the result of obtaining end device member information.

Topic

$hw/events/node/{node_id}/membership/get/result

Parameter

Type

Description

node_id

String

Node ID.

Usage

Use an MQTT client to subscribe to this topic. This topic must be used together with Device Member Acquisition.

Parameter Description

Parameter

Type

Description

event_id

String

Event ID.

timestamp

Int64

Timestamp when the event occurred.

devices

Array

Information about end devices, including the device ID, name, and properties. The properties are in the key-value pair format. The key indicates the property name, the value contains the property value and the optional flag, and metadata contains the value type.

Example

$hw/events/node/3fbb5b8d-32db-4271-a34f-a013e021b6ce/membership/get/result

{
     "event_id":"bc876bc-345d-4050-86a8-319a5b13cc10",
     "timestamp":1557317193524,
     "devices":[
         {
             "id":"ab39361a-6fc0-4c94-b919-72b1e08ca690",
             "name":"IEF-device",
             "state":"unknown",
             "attributes":{
                 "address":{
                     "value":"longgang",
                     "optional":true,
                     "metadata":{
                         "type":"string"
                     }
                 }
             }
         }
     ]
 }