private void addNewContact() { ABAddressBook addressBook = ABAddressBook.Create(); ABRecord person = ABPerson.Create(); person.SetValue(ABPerson.kABPersonFirstNameProperty, CFType.FromObject("vitapoly"), null); person.SetValue(ABPerson.kABPersonBirthdayProperty, CFType.FromObject(new DateTime(2000, 1, 1)), null); addressBook.AddRecord(person, null); addressBook.Save(null); Log("Added vitapoly to address book."); }