use pocketmine\network\mcpe\NetworkSession; class MapInfoRequestPacket extends DataPacket{ public const NETWORK_ID = ProtocolInfo::MAP_INFO_REQUEST_PACKET; /** @var int */ public $mapId; protected function decodePayload(){ $this->mapId = $this->getEntityUniqueId(); } protected function encodePayload(){ $this->putEntityUniqueId($this->mapId); } public function handle(NetworkSession $session) : bool{ return $session->handleMapInfoRequest($this); } }