.. _exhale_define__ifc4x2-definitions_8h_1a8f8255f0fcf0436b72b93cb4ae318a72:

Define SCHEMA_IfcDuctSegment_PredefinedType_IS_OPTIONAL
=======================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcDuctSegment_PredefinedType_IS_OPTIONAL