I’m new and completely lost on kodi set up as a multi room application

I have a zgemma box set up in main living room and kodi installed on an Amazon fire stick and connected to the tv in the other living room, attempting to stream zgemma box content. After 3 days of YouTube tutorials I got the zgemma box to stream to TV via kodi HOWEVER it only works if ‘zap’ is enabled in enigma add-on settings which defeats the multiroom ability as when using the fire stick controller it also changes the channel on other tv at the same time. When zap is disabled I cannot get any stream from zgemma box through kodi at all! I’m so close to almost having it working but not quite there. PS i haven’t ever done anything like this before so if I’m missing something obvious, be kind hahaha any help??

Connor