.. _exhale_define__ifc4x3__rc1-definitions_8h_1a9130d646b5ba3cc011fe6202aa1569ca:

Define SCHEMA_IfcPropertySingleValue_Unit_IS_OPTIONAL
=====================================================

- Defined in :ref:`file_src_ifcparse_Ifc4x3_rc1-definitions.h`


Define Documentation
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.. doxygendefine:: SCHEMA_IfcPropertySingleValue_Unit_IS_OPTIONAL