.. _exhale_define__ifc4x2-definitions_8h_1a2d83ed851ce7ddde0f45f6e0c0954c57:

Define SCHEMA_IfcStairFlight_TreadLength_IS_OPTIONAL
====================================================

- Defined in :ref:`file_src_ifcparse_Ifc4x2-definitions.h`


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


.. doxygendefine:: SCHEMA_IfcStairFlight_TreadLength_IS_OPTIONAL