NoMessage

<?php

namespace FIRERO;

use pocketmine\item\Item;
use pocketmine\Player;
use pocketmine\Server;
use pocketmine\utils\TextFormat;
use pocketmine\event\Listener;
use pocketmine\plugin\PluginBase;
use pocketmine\command\CommandSender;
use pocketmine\command\Command;

class xp extends PluginBase implements Listener {


public function onEnable() {
$this->getServer()->getPluginManager()->registerEvents($this, $this);
$this->getServer()->loadLevel("spawn");
}

public function onCommand(CommandSender $sender, Command $cmd, $label, array $args){
if((strtolower($cmd->getName()) == "buyxp")){
$sender->getInventory()->removeItem(Item::get(351, 4, 10));
$sender->addExperience(10);
$sender->sendMessage("Покупка Опыта > Вы успешно приобрели опыт! Приятного зачарования :3");
}else{
$sender->sendMessage("Покупка Опыта > Ошибка: для покупки опыта нужно 10 шт. лазурита.");
}
}
}


WTF!? Sends an empty message...

I believe sendTip doesn't work.

Oh... I forgot for this))) It's test version.