code: def new_correspondence(self, queue=None):
          
          return self.search(Queue=queue, order='-LastUpdated', LastUpdatedBy__notexact=self.default_login)
docs: Obtains tickets changed by other users than the system one.
  
          :keyword queue: Queue where to search
  
          :returns: List of tickets which were last updated by other user than
                    the system one ordered in decreasing order by LastUpdated.
                    Each ticket is dictionary, the same as in
                    :py:meth:`~Rt.get_ticket`.