public async Task <IActionResult> SendEmailConfirmation()
        {
            User user = await _userManager.FindByNameAsync("Duke");

            var cToken   = _userManager.GenerateEmailConfirmationTokenAsync(user).Result;
            var urlToken = Url.Action("confirmEmail", "Values", new
            {
                userId = user.Id,
                token  = cToken
            },
                                      protocol: HttpContext.Request.Scheme);
            await _sendEmail.SendEmailConfirmation(user, "Confirmação de Email", urlToken);

            return(Ok());
        }