Не вызываются методы делегата после VKSdk.authorize

[D-Link13]

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        let vkSDK = VKSdk.initialize(withAppId: VKNetworking.kVK_APP_ID)
        vkSDK?.register(VKNetworking.shared)
        vkSDK?.uiDelegate = VKNetworking.shared
return true
}

func application(_ application: UIApplication, open url: URL, sourceApplication: String?, annotation: Any) -> Bool {
VKSdk.processOpen(url, fromApplication: sourceApplication)
        return true
 }

class VKNetworking: NSObject {
    static let shared = VKNetworking()
    static let kVK_APP_ID = ""
    let permissions = NSArray(objects: "email", "wall") as [AnyObject]

    var userEmail = String()

    func vkLogin(completion: @escaping (Bool) -> ()) {
        VKSdk.wakeUpSession(self.permissions, complete: { (state, error) in
            if state == .authorized && error == nil && VKSdk.accessToken() != nil {
                print("vk authorized")
                completion(true)
            } else if state == .initialized {
                print("vk initialized")
                VKSdk.authorize(self.permissions)
            } else {
                if error != nil {
                    print(error!)
                }
                completion(false)
            }
        })
    }
}

extension VKNetworking: VKSdkDelegate {
    func vkSdkAccessAuthorizationFinished(with result: VKAuthorizationResult!) {
        if result.token != nil && result.error == nil {
            if let email = result.token.email {
                self.userEmail = email
            }
        }
    }

    func vkSdkUserAuthorizationFailed() {
        print("vkSdkUserAuthorizationFailed")
    }
}

[D-Link13]

проблема решена, не была настроена url схема