.. _exhale_define__ifc4x3__rc1-definitions_8h_1a02ad03487c337bf4d4505ddd0f3f35b5:

Define SCHEMA_IfcAirToAirHeatRecovery_PredefinedType_IS_OPTIONAL
================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcAirToAirHeatRecovery_PredefinedType_IS_OPTIONAL