public async Task AddAdultAsync([FromBody] Adult adult, [FromQuery] string streetName, [FromQuery] int?houseNumber) { try { Console.WriteLine(adult.FirstName + " " + streetName + " " + houseNumber); Family familyToAdd = familyService.GetFamiliesAsync().Result.First(familyTo => familyTo.StreetName.Equals(streetName) && familyTo.HouseNumber == houseNumber); await familyService.AddAdultAsync(adult, familyToAdd); } catch (Exception e) { Console.WriteLine(e); throw; } }