These tools let you to define parts of a building as a 3D Zone and allow you to set values to parameters on elements in the 3D Zone. A 3D Zone can also be used to select element in the Filter Element tool
The menu consists of three tools:
Create 3D Zone - creates a 3D zone in the model based a filled region, a scope box or a floor
Write_Parameters - writes parameters to selected elements or elements inside a 3D zone.
Write All Setup - configure and write parameters from 3D Zones to elements within the zones.