code: def add_permission(self, queue, label, aws_account_id, action_name, callback=None):
          
          params = {'Label': label,
                    'AWSAccountId' : aws_account_id,
                    'ActionName' : action_name}
          return self.get_status('AddPermission', params, queue.id, callback=callback)
docs: Add a permission to a queue.
  
          :type queue: :class:`boto.sqs.queue.Queue`
          :param queue: The queue object
  
          :type label: str or unicode
          :param label: A unique identification of the permission you are setting.
                        Maximum of 80 characters ``[0-9a-zA-Z_-]``
                        Example, AliceSendMessage
  
          :type aws_account_id: str or unicode
          :param principal_id: The AWS account number of the principal who will
                               be given permission.  The principal must have
                               an AWS account, but does not need to be signed
                               up for Amazon SQS. For information
                               about locating the AWS account identification.
  
          :type action_name: str or unicode
          :param action_name: The action.  Valid choices are:
                              \*|SendMessage|ReceiveMessage|DeleteMessage|
                              ChangeMessageVisibility|GetQueueAttributes
  
          :rtype: bool
          :return: True if successful, False otherwise.