Fermax Door opener mini smart switch

Hello, I am trying to understand how I can attach a smart device as a door opener for my Fermax 3310. What I want is to use the zigbee device as the door opener button.

I’m missing something in my analisys and not very sure how to continue.

This is my Fermax Model:

And this is the conexion with the building:

This is the official PDF manual:

I am trying to make it happen with a mini smart switch relee but I think this is not the device that I need: