gistfile1.vala

        void update_libunity_quicklist () {

            var launcher = Unity.LauncherEntry.get_for_desktop_id (app_launcher);
            
            var quicklist = new Dbusmenu.Menuitem ();
            foreach (var plug in plugs) {
                var item = new Dbusmenu.Menuitem ();

                item.property_set (Dbusmenu.MENUITEM_PROP_LABEL, plug["title"]);
                item.item_activated.connect (() => {
                    load_plug (plug["title"], plug["exec"], plug["extern"] == "1");
                });

                quicklist.child_append (item);
            }
            
            launcher.quicklist = quicklist;
        }