Contents

didChange

An identifier for a message about a change in a user defaults setting.

Declaration

static var didChange: NotificationCenter.BaseMessageIdentifier<UserDefaults.DidChangeMessage> { get }

Discussion

Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type UserDefaults.DidChangeMessage.

See Also

Identifying defaults messages