text: from firebase_admin import messaging
  
  
  def notify_one(token: str, title: str, body: str) -> str:
      """
  
      :param token: The registration token of the device to which the message should be sent
      :param title: Notification title
      :param body: Notification body
      :return:
      Returns:
          string: A message ID string that uniquely identifies the sent message.
      """
      message = messaging.Message(
          notification=messaging.Notification(
              title=title,
              body=body
          ),
          token=token
      )
      return messaging.send(message)
  
  
  def notify_multiple(tokens: list, title: str, body: str) -> str:
      """
  
      :param tokens: The registration token of the device to which the message should be sent
      :param title: Notification title
      :param body: Notification body
      :return:
      Returns:
          string: A message ID string that uniquely identifies the sent message.
      """
      message = messaging.MulticastMessage(
          tokens=tokens,
          notification=messaging.Notification(
              title=title,
              body=body
          )
      )
      return messaging.send(message)
  