3D bounding box of the opening
OptionaldoorDoor operation type (for doors)
OptionalfillingExpress ID of the filling element (door/window), if any
OptionalfillingIFC type of the filling element
Opening height in world units
Express ID of the host element (wall, slab, etc.)
Model index for multi-model federation
Express ID of the opening element
Type of opening
Opening width in world units
OptionalwindowWindow partitioning type (for windows)
Information about an opening (door, window, or void)