The code is very similar to the tutorials and documentation. The difference is I am using MVVM+RxSwift. Here it is: final class SignInViewModel {    struct Input {     let emailText: DriverString     let passwordText: DriverString     let signInTapped: SignalVoid     let appleSignInTapped: SignalVoid   }    let openDashboardScreen: SignalSignInViewParam    init(handleSignIn: @escaping (String, String) - ObservableSignInViewParam,         handleAppleSignIn: @escaping (String) - ObservableSignInViewParam,         input: Input) {     let signInEvent = input.signInTapped       .asObservable()       .withLatestFrom(Observable.combineLatest(input.emailText.asObservable(),                             input.passwordText.asObservable()))       .flatMapLatest { (arg) - ObservableSignInViewParam in         let (email, password) = arg         return handleSignIn(email, password)       }           if #available(iOS 13, *) {       let appleSignInEvent = input.appleSignInTapped         .compactMap { [weak self] in return self?.createAuthController() }         .flatMapLatest { (authController: ASAuthorizationController) - ObservableSignInViewParam in           return authController.rx             .didCompleteWithAuthorization /* The delegate control event using RxCocoa's DelegateProxy */             .compactMap { authorization in               guard let credential = authorization.credential as? ASAuthorizationAppleIDCredential,                  let authCodeData = credential.authorizationCode,                  let authCode = String(data: authCodeData, encoding: .utf8)               else { return nil }                               return authCode             }             .flatMapLatest { (authCode) - ObservableSignInViewParam in               return handleAppleSignIn(authCode) /* Send auth code to server and will return SignInViewParam on success */             }         }               openDashboardScreen = Observable.merge(signInEvent, appleSignInEvent)         .asSignal(onErrorSignalWith: .never())     } else {       openDashboardScreen = signInEvent.asSignal(onErrorSignalWith: .never())     }   }       @available(iOS 13.0, *)   private func createAuthController() - ASAuthorizationController {     let appleIdProvider = ASAuthorizationAppleIDProvider()     let request = appleIdProvider.createRequest()     request.requestedScopes = [.email, .fullName]           let authController = ASAuthorizationController(authorizationRequests: [request])     authController.performRequests()     return authController   } } I tried using imperative instead of reactive like the tutorials, and it still stuck on the Apple ID password screen.

Nevermind. I just need to add my office id back to XCode. However, this has happened 3 times now. This is annoying.