code: def _match_setters(self, query):
          
          q = query.decode('utf-8')
          for name, parser, response, error_response in self._setters:
              try:
                  parsed = parser(q)
                  logger.debug('Found response in setter of %s' % name)
              except ValueError:
                  continue
  
              try:
                  if isinstance(parsed, dict) and 'ch_id' in parsed:
                      self._selected = parsed['ch_id']
                      self._properties[name].set_value(parsed['0'])
                  else:
                      self._properties[name].set_value(parsed)
                  return response
              except ValueError:
                  if isinstance(error_response, bytes):
                      return error_response
                  return self._device.error_response('command_error')
  
          return None
docs: Try to find a match