API Reference > OdIfc4x2 Namespace > Classes > IfcMaterialUsageDefinition Class > IfcMaterialUsageDefinition Methods > unsetAttr Method > IfcMaterialUsageDefinition::unsetAttr Method (OdIfc::OdIfcAttribute)
IfcMaterialUsageDefinition::unsetAttr Method (OdIfc::OdIfcAttribute)
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Syntax
C++
virtual void unsetAttr(const OdIfc::OdIfcAttribute explicitAttrDef);
Group
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