.. _exhale_define__ifc4x3__rc1-definitions_8h_1a087bc8f66e5749b47b6c138568c7bde4:

Define SCHEMA_IfcLightSourceGoniometric_ColourAppearance_IS_OPTIONAL
====================================================================

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


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


.. doxygendefine:: SCHEMA_IfcLightSourceGoniometric_ColourAppearance_IS_OPTIONAL