.. _exhale_define__ifc4x2-definitions_8h_1a51723d912734c1e03787b2978a1c6f5a:

Define SCHEMA_IfcMaterialConstituent_Name_IS_OPTIONAL
=====================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcMaterialConstituent_Name_IS_OPTIONAL