public async Task <string> Logout(userDTO userInfo) { var user = await userManager.FindByNameAsync(userInfo.Username); if (user != null) { user.LoggedIn = false; await userManager.UpdateAsync(user); //comment out if using postman await chatHub.SendUpdatedUser(user.UserName, user.LoggedIn); await chatHub.UpdateLastVisited(user.UserName); return(user.UserName); } return("User Not Found"); }