prepareAssetTreeContextMenu add new item to the menu[SOLVED]

hello all i have to add a new menu item on prepareAssetTreeContextMenu event so any help?

prepareAssetTreeContextMenu: function (pObject, pType, pNode) {
pObject.items.items[0].menu.add({
text: “Add Contact”,
iconCls: “pimcore_icon_add”,
handler: function () {
}

                    }]
                })
        });
        win.show();
            }
        });
      

        /**/

    }

}