swift nsnotification 구현

Send(Post) Notification

    NSNotificationCenter.defaultCenter().postNotificationName("NotificationIdentifier", object: nil)

Receive(Get) Notification

    NSNotificationCenter.defaultCenter().addObserver(self, selector: #selector(YourClassName.methodOfReceivedNotification(_:)), name:"NotificationIdentifier", object: nil)

Method handler for received Notification

func methodOfReceivedNotification(notification: NSNotification){
    //Take Action on Notification
}