Mechanical Switch for Pause

[3D_Poland]

Hi guys/girls,
I've got chamber in my 3d printer and need to pause print using mechanical switch. I dont know how to do it with duetwifi board. Where should i connect the pins from mechanicał switch and what should i change in reprapfirmware files congiguration?

[dc42]

Connect the switch to a spare endstop input and use M581 to configure what happens when it is pressed.

[3D_Poland]

Okey, i will try:)