public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {

		if(sender instanceof Player) {

			Player p = (Player) sender;


			if(label.equalsIgnoreCase("build")) {
				if(args.length == 0)
					p.sendMessage("Prikaz musis zadat ve tvaru /build toggle");
				if(args.length == 1)
					if(args[0].equalsIgnoreCase("toggle")) {
							if(p.isOp()) {
								if(build.contains(p)) {
									build.remove(p);
									p.setGameMode(GameMode.CREATIVE);
									p.sendMessage("§cMas zakazany build!");
									}else {
										build.add(p);
										p.setGameMode(GameMode.CREATIVE);
										p.sendMessage("§aNyni mas povoleny build!");
										}
								}else {
									p.sendMessage("§cNemas pravo na pouziti tohoto prikazu!");
					}
				}
			}
		}else {
			Bukkit.getConsoleSender().sendMessage("Nelze pouzit v konzoli!");
		}
		return false;