.. _exhale_define__ifc2x3-definitions_8h_1a0791acc8d7c24e189d93309ecd6d1b80:

Define SCHEMA_IfcSoundProperties_SoundScale_IS_OPTIONAL
=======================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcSoundProperties_SoundScale_IS_OPTIONAL