@Override
    public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args) {
       if(commandLabel.equalsIgnoreCase("rq")){
           if (args.length > 0) {
           sender.sendMessage("Too many arguments!");
           return false;
           }
                if (sender instanceof Player) {
                    Player player = (Player) sender;
                    player.setHealth(0.0);
                    player.setCustomName("NOOB: " + player.getName());
                    player.setCustomNameVisible(true);
                    player.kickPlayer("You have successfully ragequit you noob...");
                    Bukkit.broadcastMessage(ChatColor.BLUE + sender.getName() + " has rage quit! (What a noob)");
                    return true;
                    } else {
                sender.sendMessage("You must be a player!");
                return false;
            }
        }
       return false;
    }