Type Property


URLs must be universal links and have an app configured to open them.


static let universalLinksOnly: UIApplication.OpenExternalURLOptionsKey


When you include this key in the options dictionary of the open(_:options:completionHandler:) method, the method opens the URL only if the URL is a valid universal link and there is an installed app capable of opening that URL. The value of this key is an NSNumber object containing a Boolean value.