How do you make a character be infrom of an overlay that's part of a background

I don’t know how to amke a character be ontop of the desk in the background INT. SCHOOL OFFICE OL - DAY

INT. SCHOOL OFFICE OL - DAY with INT. SCHOOL OFFICE OL - DAY in zone (1,2,3) at layer 0
@CHAR spot (x,y,z) in zone (1,2,3) at layer 1

thank you

You can also read this on layers:

Solved and closed. :smiley: