public ActionResult <IEnumerable <StaffDto> > GetHeadsOfHouse(int houseId) { if (!_houseRepo.HouseExistsAsync(houseId).Result) { return(NotFound()); } var staffToReturn = _staffRepo.GetHeadsOfHouseAsync(houseId); return(Ok(_mapper.Map <IEnumerable <StaffDto> >(staffToReturn))); }