---
title: "ABAddressBookHasUnsavedChanges(_:)"
framework: Address Book
role: symbol
role_heading: Function
platforms: [iOS 2.0+, iPadOS 2.0+, Mac Catalyst 13.1+]
path: "addressbook/abaddressbookhasunsavedchanges(_:)"
---

# ABAddressBookHasUnsavedChanges(_:)

Indicates whether an address book has changes that have not been saved to the Address Book database.

## Declaration

```swift
func ABAddressBookHasUnsavedChanges(_ addressBook: ABAddressBook!) -> Bool
```

## Parameters

- `addressBook`: The address book in question.

## Return Value

Return Value true when addressBook contains unsaved changes, false otherwise.

## See Also

### Deprecated

- [ABAddressBookAddRecord(_:_:_:)](addressbook/abaddressbookaddrecord(_:_:_:).md)
- [ABAddressBookCopyArrayOfAllGroups(_:)](addressbook/abaddressbookcopyarrayofallgroups(_:).md)
- [ABAddressBookCopyArrayOfAllGroupsInSource(_:_:)](addressbook/abaddressbookcopyarrayofallgroupsinsource(_:_:).md)
- [ABAddressBookCopyArrayOfAllPeople(_:)](addressbook/abaddressbookcopyarrayofallpeople(_:).md)
- [ABAddressBookCopyArrayOfAllPeopleInSource(_:_:)](addressbook/abaddressbookcopyarrayofallpeopleinsource(_:_:).md)
- [ABAddressBookCopyArrayOfAllPeopleInSourceWithSortOrdering(_:_:_:)](addressbook/abaddressbookcopyarrayofallpeopleinsourcewithsortordering(_:_:_:).md)
- [ABAddressBookCopyArrayOfAllSources(_:)](addressbook/abaddressbookcopyarrayofallsources(_:).md)
- [ABAddressBookCopyDefaultSource(_:)](addressbook/abaddressbookcopydefaultsource(_:).md)
- [ABAddressBookCopyLocalizedLabel(_:)](addressbook/abaddressbookcopylocalizedlabel(_:).md)
- [ABAddressBookCopyPeopleWithName(_:_:)](addressbook/abaddressbookcopypeoplewithname(_:_:).md)
- [ABAddressBookCreate()](addressbook/abaddressbookcreate().md)
- [ABAddressBookCreateWithOptions(_:_:)](addressbook/abaddressbookcreatewithoptions(_:_:).md)
- [ABAddressBookGetAuthorizationStatus()](addressbook/abaddressbookgetauthorizationstatus().md)
- [ABAddressBookGetGroupCount(_:)](addressbook/abaddressbookgetgroupcount(_:).md)
- [ABAddressBookGetGroupWithRecordID(_:_:)](addressbook/abaddressbookgetgroupwithrecordid(_:_:).md)