use pocketmine\network\mcpe\handler\PacketHandler; class ModalFormResponsePacket extends DataPacket implements ServerboundPacket{ public const NETWORK_ID = ProtocolInfo::MODAL_FORM_RESPONSE_PACKET; /** @var int */ public $formId; /** @var string */ public $formData; //json protected function decodePayload() : void{ $this->formId = $this->getUnsignedVarInt(); $this->formData = $this->getString(); } protected function encodePayload() : void{ $this->putUnsignedVarInt($this->formId); $this->putString($this->formData); } public function handle(PacketHandler $handler) : bool{ return $handler->handleModalFormResponse($this); } }