# AddressBook Data Types Get the data types you use to specify Address Book information. ## Topics ### Callbacks [`typealias ABImageClientCallback`](/documentation/AddressBook/ABImageClientCallback) Prototype of a callback function used to notify an application when an asynchronous image fetch is complete. [`typedef const struct __CFString *(*)(struct __ABPerson *, const struct __CFString *) ABActionCopyTitleCallback;`](/documentation/AddressBook/ABActionCopyTitleCallback) The title of the menu item for the action. [`typedef unsigned char (*)(struct __ABPerson *, const struct __CFString *) ABActionEnabledCallback;`](/documentation/AddressBook/ABActionEnabledCallback) Return `true` ifthe action menu item should be enabled, `false` otherwise.If the property returned by `ABActionGetPropertyCallback` isa multi-value property, `identifier` contains theunique identifier of the value selected. [`typedef const struct __CFString *(*)(void) ABActionGetPropertyCallback;`](/documentation/AddressBook/ABActionGetPropertyCallback) Return the property the action applies to. [`typedef void (*)(struct __ABPerson *, const struct __CFString *) ABActionSelectedCallback;`](/documentation/AddressBook/ABActionSelectedCallback) Execute the action. If the property returnedby [`ABActionGetPropertyCallback`](/documentation/AddressBook/ABActionGetPropertyCallback) isa multi-value property, `identifier` containsthe unique identifier of the value selected; otherwise, identifieris `NULL`. ### Miscellaneous [`typedef OptionBits ABPickerAttributes;`](/documentation/AddressBook/ABPickerAttributes) A bitfield used to specify the selection behavior for the values of multi-value properties. [`typealias ABPropertyType`](/documentation/AddressBook/ABPropertyType) These are the possible types of ABRecord properties. [`typealias ABSearchComparison`](/documentation/AddressBook/ABSearchComparison) Constants used to specify the type of comparison beingmade. [`typealias ABSearchConjunction`](/documentation/AddressBook/ABSearchConjunction) Constants used to create compound search elements. ### Deprecated [`typealias ABRecord`](/documentation/AddressBook/ABRecord-swift.typealias) A reference to an ABRecord object or any of its derivedopaque types. [`typealias ABAddressBookRequestAccessCompletionHandler`](/documentation/AddressBook/ABAddressBookRequestAccessCompletionHandler) Definition for a block callback invoked when an access request has completed. [`typealias ABExternalChangeCallback`](/documentation/AddressBook/ABExternalChangeCallback) Prototype for a function callback invoked on an address book when the Address Book database is modified by another address book instance. [`typealias ABMultiValueIdentifier`](/documentation/AddressBook/ABMultiValueIdentifier) Identifies multivalue properties. [`typealias ABPersonCompositeNameFormat`](/documentation/AddressBook/ABPersonCompositeNameFormat) Indicates a person-name display format. [`typealias ABPersonSortOrdering`](/documentation/AddressBook/ABPersonSortOrdering) Indicates a person sort ordering. [`typealias ABPropertyID`](/documentation/AddressBook/ABPropertyID) Integer that identifies a record property. [`typealias ABRecordID`](/documentation/AddressBook/ABRecordID) Integer that identifies a record. [`typealias ABRecordType`](/documentation/AddressBook/ABRecordType) Integer that identifies a record type. [`typealias ABSourceType`](/documentation/AddressBook/ABSourceType) Indicates a source type. See `Source Properties`. --- 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)