API Reference > OdIfc4x1 Namespace > Classes > IfcFaceBasedSurfaceModel Class > IfcFaceBasedSurfaceModel Methods > testAttr Method
testAttr Method
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This is the overview for the testAttr method overload.

Overload List
IfcFaceBasedSurfaceModel::testAttr (char *) 
Retrieves whether the attribute value is set or is unset.  
IfcFaceBasedSurfaceModel::testAttr (OdIfc::OdIfcAttribute) 
 
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