use pocketmine\network\mcpe\protocol\serializer\PacketSerializer; 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(PacketSerializer $in) : void{ $this->formId = $in->getUnsignedVarInt(); $this->formData = $in->getString(); } protected function encodePayload(PacketSerializer $out) : void{ $out->putUnsignedVarInt($this->formId); $out->putString($this->formData); } public function handle(PacketHandlerInterface $handler) : bool{ return $handler->handleModalFormResponse($this); } }