Subscribe to Variable Last Value

Replace <device_label> and <variable_label> with the unique labels of the device and variable you want to subscribe to for value updates. If the specified device or variable does not exist, you will not be able to establish the subscription.

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 in this section uses the Eclipse Mosquitto library. To test it, install the library using the official instructions.

Subscribe to a Variable's Last Value
Continuously 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

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