.. _exhale_define__ifc4x2-definitions_8h_1ac20acece55d5d9e78b075bff70d75b0d:

Define SCHEMA_IfcFan_PredefinedType_IS_OPTIONAL
===============================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcFan_PredefinedType_IS_OPTIONAL