public async Task<IActionResult> AddPhoneNumber(AddPhoneNumberViewModel model) { if (!ModelState.IsValid) { return View(model); } // Generate the token and send it var user = await GetCurrentUserAsync(); var code = await _userManager.GenerateChangePhoneNumberTokenAsync(user, model.PhoneNumber); await _smsSender.SendSmsAsync(model.PhoneNumber, "Your security code is: " + code); return RedirectToAction(nameof(VerifyPhoneNumber), new { PhoneNumber = model.PhoneNumber }); }