Use this tag for questions related to UIApplicationShortcutItem, an application shortcut item, also called a Home screen dynamic quick action, specifies a user-initiated action for your app.
Quoting the ref page:
On a device that supports 3D Touch, a user invokes the quick action by pressing your app's icon on the Home screen and then selecting the quick action’s title. Your app delegate receives and handles the quick action.
ios and/or swift are usually found along with this tag, so you might as well consider using them.