.. _exhale_define__ifc4x1-definitions_8h_1aaa8b04d284fbd42ff9e45d4b7e5adb08:

Define SCHEMA_IfcRailing_PredefinedType_IS_OPTIONAL
===================================================

- Defined in :ref:`file_src_ifcparse_Ifc4x1-definitions.h`


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


.. doxygendefine:: SCHEMA_IfcRailing_PredefinedType_IS_OPTIONAL