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

	if(sender instanceof Player) {

		Player p = (Player)sender;

	if (cmd.getName().equalsIgnoreCase("tutorial")) {
		if (p.hasPermission("tutorial.tutorial")) {

		}
	}
}
else {
	System.out.println("Du musst ein Spieler sein!");
}
	return false;
}