Passtrough over link not working

Hi guys, I’ve been trying to debug unity with meta quest play mode without any luck. I’ve followed the instruction at the webpage https://developers.meta.com/horizon/documentation/native/android/mobile-passthrough-over-link/but still after setting up the link and entering play mode within the app the world around me appears black. Is anyone able to help me?
My project has an XR origin correctly set up and all the game objects needed to make it work, If I deploy the build inside the meta quest it works just great but with link I don’t have passthrough. I need it to debug some AR feature that I can't test inside the editor, can anyone give me an hand?