.. _exhale_define__ifc4x3__rc1-definitions_8h_1a309f4cf57600ee39f0fa343b116850a6:

Define SCHEMA_IfcDerivedUnit_UserDefinedType_IS_OPTIONAL
========================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcDerivedUnit_UserDefinedType_IS_OPTIONAL