code: def _send_start_ok(self):
          '''Send the start_ok message.'''
          args = Writer()
          args.write_table(self.connection._properties)
          args.write_shortstr(self.connection._login_method)
          args.write_longstr(self.connection._login_response)
          args.write_shortstr(self.connection._locale)
          self.send_frame(MethodFrame(self.channel_id, 10, 11, args))
  
          self.add_synchronous_cb(self._recv_tunef _send_start_ok(self):
          '''Send the start_ok message.'''
          args = Writer()
          args.write_table(self.connection._properties)
          args.write_shortstr(self.connection._login_method)
          args.write_longstr(self.connection._login_response)
          args.write_shortstr(self.connection._locale)
          self.send_frame(MethodFrame(self.channel_id, 10, 11, args))
  
          self.add_synchronous_cb(self._recv_tune)
docs: Send the start_ok message.