.. _exhale_define__ifc4x3__rc1-definitions_8h_1a47ea392b16d00f0e92022ab65e1890cd:

Define SCHEMA_IfcSurfaceStyleRefraction_DispersionFactor_IS_OPTIONAL
====================================================================

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


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


.. doxygendefine:: SCHEMA_IfcSurfaceStyleRefraction_DispersionFactor_IS_OPTIONAL