command config

if( commandLabel.equalsIgnoreCase( "setarena" ) )

            if(sender.hasPermission("event.setarena") ) {

                if(args.length == 1) {

                String world = player.getLocation().getWorld().getName();
                double x = player.getLocation().getX();
                double y = player.getLocation().getY();
                double z = player.getLocation().getZ();

                this.getConfig().set(args[0] + "-arena.world", world);
                this.getConfig().set(args[0] + "-arena.x", x);
                this.getConfig().set(args[0] + "-arena.y", y);
                this.getConfig().set(args[0] + "-arena.z", z);

                this.saveConfig();

                player.sendMessage(ChatColor.GOLD + "Arena "+ ChatColor.RED + args[0] + ChatColor.GOLD + " set!");
                }
                if(args.length == 0) {

                    player.sendMessage(ChatColor.RED + "Usage:" + ChatColor.GOLD + "/setarena" + ChatColor.RED + "<Name>");
                }

            }else{
                player.sendMessage(ChatColor.RED + "You dont have permission");
            }