code: def run(self, stop_event):
      t_params = self.params["chat_table"]
      self.chat_task.chat_handler.subscribe(
          stop_event, self._callback, t_params["name"]
      )
  
imports: import time
  from mindsdb_sql.parser.ast import Identifier, Select, Insert
  from mindsdb.utilities import log
  from mindsdb.utilities.context import context
  from .types import ChatBotMessage, BotException
label_desc: Use image node_id 3 for calling the RealtimePolling obj's underlying member method code with example usage: obj.run(stop_event) without return types