public async Task <IActionResult> AddUser(Guid boardId, User user) { user.UserId = Guid.NewGuid(); var isAdded = await scrumRepository.AddUserToBoard(boardId, user); await hub.Clients.Group(boardId.ToString()) .SendAsync("UsersAdded", await scrumRepository.GetUsersFromBoard(boardId)); if (isAdded) { return(Ok(user.UserId)); } return(NotFound()); }