Use this Topic to Subscribe to a Variable's last value
Replace the <device_label> and <variable_label> with the unique label of the device and the variable to subscribe for retrieving values update. If the specified Device or Variable do not exist, you will not able to establish the subscription with it.
Topic
/v1.6/devices/<device_label>/<variable_label>/lv
| Field | Value | Required |
|---|---|---|
| Host | industrial.api.ubidots.com | Yes |
| Port | 1883/8883 (Non-TLS/TLS) | Yes |
| Username | Your Ubidots Token | Yes |
| Password | Any character or leave blank | No |
| Quality of Service | 0 or 1 | No |
Example
Note
The bash example from this section makes use of the Eclipse Mosquitto library, if you wish to test it please install it using the official instructions.
Subscribe to a Variable's Last Value
Constantly obtain a Variable's Last Value:
$ mosquitto_sub \
-h "industrial.api.ubidots.com" \
-t "/v1.6/devices/weather-station/temperature/lv" \
-u "BBFF-Rfcgaxns6HlVb155WA0RhSY85xNDmB" \
-p 1883 \
-q 1
24.0