---
title: PHPersistentChange
framework: photos
role: symbol
role_heading: Class
path: photos/phpersistentchange
---

# PHPersistentChange

An object that represents a change in the Photos library, and allows for requesting local identifiers that identify the changes for a library object.

## Declaration

```swift
class PHPersistentChange
```

## Topics

### Getting the Change Token

- [changeToken](photos/phpersistentchange/changetoken.md)
- [PHPersistentChangeToken](photos/phpersistentchangetoken.md)

### Getting the Change History

- [changeDetails(for:)](photos/phpersistentchange/changedetails(for:).md)
- [PHPersistentObjectChangeDetails](photos/phpersistentobjectchangedetails.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)