code: def modify(self, management_address=None, username=None, password=None,
                 connection_type=None):
          
          req_body = self._cli.make_body(
              managementAddress=management_address, username=username,
              password=password, connectionType=connection_type)
  
          resp = self.action('modify', **req_body)
          resp.raise_if_err()
          return resp
docs: Modifies a remote system for remote replication.
  
          :param management_address: same as the one in `create` method.
          :param username: username for accessing the remote system.
          :param password: password for accessing the remote system.
          :param connection_type: same as the one in `create` method.