---
title: Database change notification keys
framework: addressbook
role: collectionGroup
role_heading: API Collection
path: addressbook/database-change-notification-keys
---

# Database change notification keys

Keys contained by the user-info dictionary of the notifications posted by the Address Book framework.

## Topics

### Constants

- [kABInsertedRecords](addressbook/kabinsertedrecords.md)
- [kABUpdatedRecords](addressbook/kabupdatedrecords.md)
- [kABDeletedRecords](addressbook/kabdeletedrecords.md)

## See Also

### Constants

- [Errors](addressbook/1529225-errors.md)