How make a real time hole in actor?

Hi.
I would like to make a hole in the actor in real time. I’ve searched for the answer but could not find it.

The only thing I found was this:

But this answer for me is very blurred and I do not understand many points.
I’m trying to make it possible to drill holes with a drill in the walls of a building. I get a point where I need to make a hole with the help of Line Trace By Object from Drill Camera, but I don’t know how to get a hole in the wall with the Actor and Location data. Can you help me?