.. _exhale_define__ifc4x2-definitions_8h_1a9b48e2768a1b42d0f8f3e38179283bc5:

Define SCHEMA_IfcCoordinateReferenceSystem_Description_IS_OPTIONAL
==================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcCoordinateReferenceSystem_Description_IS_OPTIONAL