public async Task <IActionResult> SaveEmployerConsentAsync(EmployerConsentViewModel viewModel)
        {
            if (!ModelState.IsValid)
            {
                return(View("EmployerConsent", await GetEmployerConsentViewModel(viewModel.OpportunityId, viewModel.OpportunityItemId)));
            }

            await _referralService.ConfirmOpportunitiesAsync(viewModel.OpportunityId, HttpContext.User.GetUserName());

            return(RedirectToRoute("GetReferralEmailSent", new { opportunityId = viewModel.OpportunityId }));
        }