public async Task <IActionResult> CreateEvent(string eventId) { try { if (User.Identity.IsAuthenticated) { eventId = eventId ?? "248d8ea0-b518-493d-b9c1-0a9f3e4e94c7"; //Just for testing Microsoft.Graph.Event newEvent = await _todoListService.CreateEventAsync(/*(ClaimsIdentity)User.Identity,*/ eventId); ViewData["Response"] = JsonConvert.SerializeObject(newEvent, Formatting.Indented); TempData["Message"] = newEvent != null ? "Success! Your calendar event was created." : ""; return(RedirectToAction("Index", "Home")); } } catch (System.Exception e) { return(RedirectToAction("Error", "Home", new { message = e.Message })); } return(RedirectToAction("Index", "Home")); }