.. _exhale_define__ifc4x2-definitions_8h_1aa51714e8448fb77094592130737fabd2:

Define SCHEMA_IfcClassificationReference_ReferencedSource_IS_OPTIONAL
=====================================================================

- Defined in :ref:`file_src_ifcparse_Ifc4x2-definitions.h`


Define Documentation
--------------------


.. doxygendefine:: SCHEMA_IfcClassificationReference_ReferencedSource_IS_OPTIONAL