use pocketmine\network\mcpe\NetworkSession; class WSConnectPacket extends DataPacket{ const NETWORK_ID = ProtocolInfo::W_S_CONNECT_PACKET; /** @var string */ public $string1; protected function decodePayload(){ $this->string1 = $this->getString(); } protected function encodePayload(){ $this->putString($this->string1); } public function handle(NetworkSession $session) : bool{ return $session->handleWSConnect($this); } }