use pocketmine\network\mcpe\NetworkSession; class SetHealthPacket extends DataPacket{ const NETWORK_ID = ProtocolInfo::SET_HEALTH_PACKET; public $health; public function decode(){ $this->health = $this->getVarInt(); } public function encode(){ $this->reset(); $this->putVarInt($this->health); } public function handle(NetworkSession $session) : bool{ return $session->handleSetHealth($this); } }