.. _exhale_define__ifc4x3__rc1-definitions_8h_1a9cb95f0a4ebb2a85c0672309f90ada71:

Define SCHEMA_IfcAlignmentCurve_Vertical_IS_OPTIONAL
====================================================

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


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


.. doxygendefine:: SCHEMA_IfcAlignmentCurve_Vertical_IS_OPTIONAL