.. _exhale_define__ifc2x3-definitions_8h_1adbfdad7db72e41918211b1874728a9df: Define SCHEMA_IfcPropertyConstraintRelationship_Name_IS_OPTIONAL ================================================================ - Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h` Define Documentation -------------------- .. doxygendefine:: SCHEMA_IfcPropertyConstraintRelationship_Name_IS_OPTIONAL