.. _exhale_define__ifc4x2-definitions_8h_1ae989e8ca37e9caa9a8b5681961829d6d: Define SCHEMA_IfcRoof_PredefinedType_IS_OPTIONAL ================================================ - Defined in :ref:`file_src_ifcparse_Ifc4x2-definitions.h` Define Documentation -------------------- .. doxygendefine:: SCHEMA_IfcRoof_PredefinedType_IS_OPTIONAL