.. _exhale_define__ifc4x3__rc1-definitions_8h_1a06dd5eda27ee96c5b34c4af8fe642eb6:

Define SCHEMA_IfcDocumentInformation_Description_IS_OPTIONAL
============================================================

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


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


.. doxygendefine:: SCHEMA_IfcDocumentInformation_Description_IS_OPTIONAL