What I want to do:

I want to use the small Tradfri Wireless Dimmer ( https://www.ikea.com/de/de/p/tradfri-kabelloser-dimmer-weiss-70408595 ) to control all kinds of stuff in domoticz, for example a smart power plug.
The way I would/want do this is:

Wireless Dimmer ----> Zigbee Hub (Hue Gateway ...