Obtains the IFC class name associated to the given element for the current export. 
   Namespace:   Autodesk.Revit.DB.IFC  
  Assembly:   RevitAPIIFC  (in RevitAPIIFC.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2012 
Syntax
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Parameters
- element
 -  Type:  Autodesk.Revit.DB Element  
The element. 
- exporterIFC
 -  Type:  Autodesk.Revit.DB.IFC ExporterIFC  
The exporter. 
Return Value
The IFC class name. This is an empty string if the element should not be exported because it is not found in the mapping file.Remarks
 IFC class names are affected by the user's entries in the mapping file set for a given export operation. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |