Notification Swift https://stackoverflow.com/a/42373808/3507433

Notification Swift

public protocol NotificationName {
    var name: Notification.Name { get }
}

public extension RawRepresentable where RawValue == String, Self: NotificationName {
    public var name: Notification.Name {
        get {
            return Notification.Name(self.rawValue)
        }
    }
}

class MyClass {
    enum Notifications: String, NotificationName {
        case myNotification
    }
}

NotificationCenter.default.post(name: Notifications.myNotification.name, object: nil)