Window punches opening on its wall

I want to learn to create Live components.

But before I start, could someone please clarify if this is possible: Can the variables of one live component be passed to another?

For example: the dimensions of a window can be passed to the wall on which it is placed (so that it cuts out that wall)? Or the window frame can be increased to the wall thickness?
(both window and wall are live components)

Or, similarly, a staircase punches the floor slab?

I have tested some Live-windows downloaded from the 3d warehouse and they do not seem to work this way.

Thank you!

Yes if your live component included the wall ans the windows
No if it was only the windows

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Thank you