How to find a standard action?

Hi guys,

I’m trying to configure a Document Action, on Non Conformance:

But, unfortunatly, I can’t find the right method to launch and to link Non Conformance to Actions:

image

I tried to find the method at hooks.py (I’m not a programmer, just trying to learn whit you guys), but there isn’t any reference to it.

So, my doubt is:

How can I know the right method to call, considering that it have to be one, when we click on
image

Thanks!