didBecomeActive
An identifier for a message about a host app moving from the inactive to the active state.
Declaration
static var didBecomeActive: NotificationCenter.BaseMessageIdentifier<NSExtensionContext.DidBecomeActiveMessage> { get }Discussion
Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type NSExtensionContext.DidBecomeActiveMessage.