Use the existing thread for this:
RGBgenie - ZigBee 3.0 RGBW Controller - v2 & v3 Hub dont see it?
But from reading that it appears that you can get limited integration just by using
the default ZLL RGBW Bulb DTH without anything custom
And it’s unlikely you’ll ever get more integration than that. 
The original poster in that thread did speak to the manufacturer multiple times.