.. _exhale_define__ifc2x3-definitions_8h_1aee6fede2d960802e37f173ca9c7f6fd6:

Define SCHEMA_IfcWaterProperties_AlkalinityConcentration_IS_OPTIONAL
====================================================================

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


Define Documentation
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.. doxygendefine:: SCHEMA_IfcWaterProperties_AlkalinityConcentration_IS_OPTIONAL