# ABAddressBookCreateWithOptions(_:_:) Creates a new address book object with data from the Address Book database. ``` func ABAddressBookCreateWithOptions(_ options: CFDictionary!, _ error: UnsafeMutablePointer?>!) -> Unmanaged! ``` ## Parameters `options` Reserved. Pass `NULL`. `error` On error, contains error information. See [Address Book Errors](/documentation/AddressBook/address-book-errors). ## Return Value An address book object, `NULL`, or an empty database. ## 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(_:_:)). On iOS 6.0 and later, if the caller does not have access to the Address Book database: - For apps linked against iOS 6.0 and later, this function returns `NULL`. - For apps linked against previous version of iOS, this function returns an empty read-only database. If your app syncs information with the database, it must not sync data when it does not have access to the database. > 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)