.. _exhale_define__ifc4x2-definitions_8h_1ac9e92e08cd5476a7bc61596a368452c7:

Define SCHEMA_IfcReference_InstanceName_IS_OPTIONAL
===================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcReference_InstanceName_IS_OPTIONAL