code: async def _on_trace_notification(self, trace_event):
          
  
          conn_string = trace_event.get('connection_string')
          payload = trace_event.get('payload')
  
          await self.notify_event(conn_string, 'trace', payload)
docs: Callback function called when a trace chunk is received.
  
          Args:
              trace_chunk (dict): The received trace chunk information