Hi,
Zigbee lamps are generally supported with their basic functions:
(Source)
If the lamp has some extra features, then the lamp must be implemented in a Homey app, i.e. in the Homey Tuya Zigbee app.
Please check the corresponding topic to see if your lamp is already supported.
If this is not the case, you can ask the app developer whether he would add the lamp.
However, as this is a private developer, it is possible that he will not or cannot add the lamp for whatever reason.
