.. _exhale_define__ifc4x3__rc1-definitions_8h_1a9ad0548fa63fec1bea184300d7af06e1:

Define SCHEMA_IfcAlignmentCurve_Tag_IS_OPTIONAL
===============================================

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


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


.. doxygendefine:: SCHEMA_IfcAlignmentCurve_Tag_IS_OPTIONAL