.. _exhale_define__ifc4x3__rc1-definitions_8h_1a5485cde0c913bd89aca44c10a79bca90:

Define SCHEMA_IfcSimplePropertyTemplate_Expression_IS_OPTIONAL
==============================================================

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


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


.. doxygendefine:: SCHEMA_IfcSimplePropertyTemplate_Expression_IS_OPTIONAL