.. _exhale_define__ifc4x3__rc1-definitions_8h_1a367921a539d9ee043fac3e679eef78b5:

Define SCHEMA_IfcRoot_Description_IS_OPTIONAL
=============================================

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


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


.. doxygendefine:: SCHEMA_IfcRoot_Description_IS_OPTIONAL