OptionalCutLength of the cut through the host (metres). Defaults to the host's body thickness + 2 × 50 mm.
OptionalDescriptionOptionalGlobalExplicit GlobalId (22-char IFC GUID); generated when omitted.
OptionalNameOptionalObjectDistance along the wall's local X axis from its placement origin to the opening centre (metres).
OptionalSillHeight of the opening's bottom edge above the wall's placement origin (metres). Defaults to 0.
OptionalTag
Opening in a wall, in the wall's own placement frame.