.. _exhale_define__ifc4x2-definitions_8h_1a07f316bf415019a79a3ed798905be0cc:

Define SCHEMA_IfcRoot_OwnerHistory_IS_OPTIONAL
==============================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcRoot_OwnerHistory_IS_OPTIONAL