code: def finish_connection(self, conn_or_internal_id, successful, failure_reason=None):
          
  
          data = {
              'id': conn_or_internal_id,
              'success': successful,
              'failure_reason': failure_reason
          }
  
          action = ConnectionAction('finish_connection', data, sync=False)
          self._actions.put(action)
docs: Finish a connection attempt
  
          Args:
              conn_or_internal_id (string, int): Either an integer connection id or a string
                  internal_id
              successful (bool): Whether this connection attempt was successful
              failure_reason (string): If this connection attempt failed, an optional reason
                  for the failure.