MyDriving.ViewModel.LoginViewModel.ExecuteLoginFacebookCommandAsync C# (CSharp) Method

        public async Task ExecuteLoginFacebookCommandAsync()
        {
            if (client == null || IsBusy)
                return;
            Settings.LoginAccount = LoginAccount.Facebook;
            var track = Logger.Instance.TrackTime("LoginFacebook");
            track?.Start();
            IsLoggedIn = await LoginAsync(MobileServiceAuthenticationProvider.Facebook);
            track?.Stop();
            Logger.Instance.Track("LoginFacebook");
        }