public async Task <IActionResult> InitializePostAsync(Guid clientId) { if (userPrincipalBuilder.UserPrincipal.Claims.SingleOrDefault(c => c.Type == FurizaClaimNames.ClientId) == null) { userPrincipalBuilder.UserPrincipal.Claims.Add(new Claim(FurizaClaimNames.ClientId, clientId.ToString())); } await identityInitializer.InitializeUsersAsync(); return(NoContent()); }