Updated on 2023-02-16 GMT+08:00
AT+HMSUB
This command is used to subscribe to a custom topic.
| Command | Parameter | Default Parameter Processing | AT Response | Example |
|---|---|---|---|---|
| AT+HMSUB=qos, topic | qos: topic QoS. | Default value: 0 | +HMSUB OK when success | AT+HMSUB=0,"$oc/devices/my_deviceid/user/my_subtopic" |
| topic: custom topic. | Custom | +HMSUB ERR:code code:reference to en_oc_mqtt_err_code_t defines |
Parent topic: Module AT Command Reference
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