.. _exhale_define__ifc4x3__rc1-definitions_8h_1a1aa21aace8cc4838e48e1bc963083975:

Define SCHEMA_IfcCurveStyle_CurveColour_IS_OPTIONAL
===================================================

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


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


.. doxygendefine:: SCHEMA_IfcCurveStyle_CurveColour_IS_OPTIONAL