# ABAddressBookCreate() Creates a new address book object with data from the Address Book database. ``` func ABAddressBookCreate() -> Unmanaged! ``` ## Return Value An address book object. ## Discussion Changes made to the returned address book are reflected in the Address Book database only after saving the address book with [`ABAddressBookSave(_:_:)`](/documentation/AddressBook/ABAddressBookSave(_:_:)). > Important: > You must ensure that an instance of `ABAddressBookRef` is used by only one thread. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)