def METHOD_NAME(self, vals):
    # properties = False
    if "pms_board_service_id" in vals and "board_service_line_ids" not in vals:
        vals.update(
            self.prepare_board_service_reservation_ids(vals["pms_board_service_id"])
        )
    return super(PmsBoardServiceRoomType, self).METHOD_NAME(vals)