.. _exhale_define__ifc4x3__rc1-definitions_8h_1ab901b44f11fd23d6de7e9a34ba403aa3:

Define SCHEMA_IfcEvent_EventOccurenceTime_IS_OPTIONAL
=====================================================

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


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


.. doxygendefine:: SCHEMA_IfcEvent_EventOccurenceTime_IS_OPTIONAL