code: def export(self, filename='element.zip'):
          
          from smc.administration.tasks import Task
          return Task.download(self, 'export', filename)
docs: Export this element.
  
          Usage::
  
              engine = Engine('myfirewall')
              extask = engine.export(filename='fooexport.zip')
              while not extask.done():
                  extask.wait(3)
              print("Finished download task: %s" % extask.message())
              print("File downloaded to: %s" % extask.filename)
  
          :param str filename: filename to store exported element
          :raises TaskRunFailed: invalid permissions, invalid directory, or this
              element is a system element and cannot be exported.
          :return: DownloadTask
          
          .. note:: It is not possible to export system elements