.. _exhale_define__ifc4x3__rc1-definitions_8h_1af6e5fbac47616de62b2f9e313c2dc97e:

Define SCHEMA_IfcFastener_PredefinedType_IS_OPTIONAL
====================================================

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


Define Documentation
--------------------


.. doxygendefine:: SCHEMA_IfcFastener_PredefinedType_IS_OPTIONAL