I don’t have ArchiCAD with me at the moment so I can’t show an image.
I put \n in the ID and in a general property of a wall where I could type any text.
I then added a property label to the wall showing both of these properties and they both had new lines created.
Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11