code: async def ack(self):
          
  
          state = self._state
          if state.is_bot:
              raise ClientException('Must not be a bot account to ack messages.')
          return await state.http.ack_message(self.channel.id, self.id)
docs: |coro|
  
          Marks this message as read.
  
          The user must not be a bot user.
  
          Raises
          -------
          HTTPException
              Acking failed.
          ClientException
              You must not be a bot user.