Get elements modelled by face mass

Hello,

I created walls, roofs floos over a mass model faces, but I would like to know where are those elements belonging to.
image

I don’t know how to code,
that said,
If you delete the mass, and then try to update the modelled items by their face, it would error out. right?
So there should be a mention of that in the journal ,i guess
Then you should be able to undo till before the error could occur,
again, i don’t know how to code, or if its possible.
@Andreas_Dieckmann did some Dynamo nodes on reading journal files i think
A package that could generate fake journals would be great
I’m getting ahead of myself now
think fake my undo settings

I tried running clash detection, intersection but bit frustrating process