.. _exhale_define__ifc2x3-definitions_8h_1aa51714e8448fb77094592130737fabd2:

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

- Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h`


Define Documentation
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.. doxygendefine:: SCHEMA_IfcClassificationReference_ReferencedSource_IS_OPTIONAL