Writes a PartAtom XML from the contents of a family object. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
  Since:  2011 
Syntax
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| Visual Basic | 
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| Visual C++ | 
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Parameters
- xmlFilePath
-  Type:  System String  
 The xml file to be saved.
Remarks
 This method is designed for a family loaded into a document in session. So it will skip the type catalog file. To extract the PartAtom XML from a family file on disk, use Application.ExtractPartAtomFromFamilyFile() 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | If 'xmlFilePath' is a null reference ( Nothing in Visual Basic) or an empty string. |