can anyone helb with awox rgbw

[303acid]

i have red node with zigbee and some rgbw bulbs from awox (TLSR82xx).
they are paired and i can switch the state on/off and change the brightness. but color_temp or rgb-color not use able.
No converter available for 'color_tmp'....
i don't understand how to add new unsupported devices.

can anybody give me some hint and/or tips...