.. _exhale_define__ifc4x3__rc1-definitions_8h_1a5a799fc2ab91d7b8233a141c281258e0:

Define SCHEMA_IfcPropertyDependencyRelationship_Expression_IS_OPTIONAL
======================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcPropertyDependencyRelationship_Expression_IS_OPTIONAL