.. _exhale_define__ifc2x3-definitions_8h_1aa0efa848b986de89e8e53c18178a8b48:

Define SCHEMA_IfcDistributionControlElement_ControlElementId_IS_OPTIONAL
========================================================================

- Defined in :ref:`file_src_ifcparse_Ifc2x3-definitions.h`


Define Documentation
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.. doxygendefine:: SCHEMA_IfcDistributionControlElement_ControlElementId_IS_OPTIONAL