Also a trigger for vice versa, I need external fans to be switched on when I turn my amplifier on with its remote.

This feature already has code from another feature and is likely ready to implement in a single day of dev time.

  @Wayne-TP 
 

 

Any news about the (possible) implementation?

This is essential feature. Even GPT and Gemini have been sure that this feature exists in the app. I spent hours to try make this happen, but unfortunately. This topic exists more than 1.5 years. Developers should be ashamed. For the moment, I quiet disappointed with the missing essential condition