Instance Property


An identifier that you use to group related notifications together.


var threadIdentifier: String { get }


For remote notifications, this property is set to the value of the thread-id key in the aps dictionary.

See Also

Identifying the Content

var categoryIdentifier: String

The identifier of the app-defined category object.

var targetContentIdentifier: String?

The identifier for the window to be opened when the user taps a notification.