How to use

appendItemLine

method

in

com.gmail.filoghost.holographicdisplays.api.Hologram

@Override
public void onInit() {
  if (Bukkit.getPluginManager().getPlugin("HolographicDisplays") == null) {
    markAsErroneous("HolographicDisplays not enabled");
    return;
  }
  getSign().getBlock().setType(VanillaItem.AIR.getMaterial());
  String[] holoLines = lines[1].split("/");
  Location location = getSign().getLocation();
  location = location.add(0.5, NumberUtil.parseDouble(lines[2]), 0.5);
  hologram = HologramsAPI.createHologram(plugin, location);
  for (String line : holoLines) {
    if (line.startsWith("Item:")) {
      String id = line.replace("Item:", "");
      ItemStack item = null;
      ExItem exItem = plugin.getCaliburn().getExItem(id);
      if (exItem != null) {
        item = exItem.toItemStack();
      }
      hologram.appendItemLine(item);
    } else {
      hologram.appendTextLine(ChatColor.translateAlternateColorCodes('&', line));
    }
  }
}

ItemLine icon = hologram.appendItemLine(new ItemStack(Material.SUGAR));

public DGroupTag(DungeonsXL plugin, DGamePlayer player) {
  this.player = player;
  DGroup group = player.getDGroup();
  if (group != null) {
    hologram = HologramsAPI.createHologram(plugin, player.getPlayer().getLocation().clone().add(0, 3.5, 0));
    hologram.appendItemLine(group.getDColor().getWoolMaterial().toItemStack());
    hologram.appendTextLine(group.getName());
  }
}

  hologram.appendItemLine(new ItemStack(Material.matchMaterial(line.substring(5))));
} else {
  hologram.appendTextLine(line.replace('&', '§'));

for (String line : npcHologram.config.settings.getStringList("lines")) {
  if (line.startsWith("item:")) {
    hologram.appendItemLine(new ItemStack(Material.matchMaterial(line.substring(5))));
  } else {
    hologram.appendTextLine(line.replace('&', '§'));