New text field property of door type, containing custom text in editable format.
Text would be placed on the door panel and visible in sections, elevations and 3d.
option-
Apart from letters and numbers, set of pre-defined symbols could be used: toliet symbols, wheelchair, emergency exits. They could be part of archicad library.
for open Gl mode text could be alternatively generated into semitransparent bitmap and mapped onto panel.
Regards