.. _exhale_define__ifc4x3__rc1-definitions_8h_1a432c4e8a1df1094f477a4419c4404660:

Define SCHEMA_IfcDuctFitting_PredefinedType_IS_OPTIONAL
=======================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcDuctFitting_PredefinedType_IS_OPTIONAL