.. _exhale_define__ifc4x3__rc1-definitions_8h_1a09117520f330fce2c9971e4135ffa45b: Define SCHEMA_IfcSlab_PredefinedType_IS_OPTIONAL ================================================ - Defined in :ref:`file_src_ifcparse_Ifc4x3_rc1-definitions.h` Define Documentation -------------------- .. doxygendefine:: SCHEMA_IfcSlab_PredefinedType_IS_OPTIONAL