.. _exhale_define__ifc4x3__rc1-definitions_8h_1a190ce581343650fa1c61408b26f0c588:

Define SCHEMA_IfcAxis1Placement_Axis_IS_OPTIONAL
================================================

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


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


.. doxygendefine:: SCHEMA_IfcAxis1Placement_Axis_IS_OPTIONAL