code: async def del_unknown_id(self, unknown_id, timeout=OTGW_DEFAULT_TIMEOUT):
          
          cmd = OTGW_CMD_KNOWN_ID
          unknown_id = int(unknown_id)
          if unknown_id < 1 or unknown_id > 255:
              return None
          ret = await self._wait_for_cmd(cmd, unknown_id, timeout)
          if ret is not None:
              return int(ret)
docs: Start forwarding the specified Data-ID to the boiler again.
          This command resets the counter used to determine if the
          specified Data-ID is supported by the boiler.
          Return the ID that was marked as supported, or None on failure.
  
          This method is a coroutine