Player player = (Player) sender;

            FileUtil util = new FileUtil(FileUtil.getDataFile("test.yml", "mines"));
            YamlConfiguration configuration = util.getConfiguration();

            Location center = player.getLocation();
            for (String key : configuration.getKeys(false)) {
                if (key.equalsIgnoreCase("spawn")) {
                    continue;
                }
                Bukkit.broadcastMessage("ran");

                ConfigurationSection section = configuration.getConfigurationSection(key);
                double x = section.getDouble("x");
                double y = section.getDouble("y");
                double z = section.getDouble("z");

                player.getWorld().getBlockAt((int) (center.clone().getX() + x), (int) (center.clone().getY() + y), (int) (center.clone().getZ() + z)).setType(Material.valueOf(section.getString("material")));
            }