Sure, no prob.

This is the relay, at the moment a 6 port, didn't had a one port available.
The green wire is connected to IN1 on the relay and pin4 on the arduino.

the backside of the print. The bottom row 'S' is pin 9 on the arduino, 'M' and 'K' is pin3 and Ground to doorbellbutton.

front side. The brown and blue on the left are 5V to the relay, on the right red and blue are input doorbellbutton.