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