Instance Property


The localized subtitle, containing a secondary description of the reason for the alert.


var subtitle: String { get set }


Use this property to specify additional context about the purpose of the notification. Subtitles offer additional context in cases where the title alone is not clear. Subtitles are not displayed in all cases. If your app is not authorized to display alert-based notifications, this property is ignored.

See Also

Getting the Notification Data

var title: String

The localized title, containing the reason for the alert.

var body: String

The localized message to display in the notification alert.

var badge: NSNumber?

The number to apply to the app’s icon.

var sound: UNNotificationSound?

The sound to play when the notification is delivered.

var launchImageName: String

The name of the custom launch image to display when your app is launched in response to the notification.

var userInfo: [AnyHashable : Any]

A dictionary of custom information associated with the notification.

var attachments: [UNNotificationAttachment]

An array of attachments to display in an alert-based notification.