---
title: PHChangeRequest
framework: photos
role: symbol
role_heading: Class
path: photos/phchangerequest
---

# PHChangeRequest

The abstract base class of the framework’s photo library change requests.

## Declaration

```swift
class PHChangeRequest
```

## Relationships

### Inherits From

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

### Inherited By

- [PHAssetChangeRequest](photos/phassetchangerequest.md)
- [PHAssetCollectionChangeRequest](photos/phassetcollectionchangerequest.md)
- [PHAssetResourceUploadJobChangeRequest](photos/phassetresourceuploadjobchangerequest.md)
- [PHCollectionListChangeRequest](photos/phcollectionlistchangerequest.md)
- [PHProjectChangeRequest](photos/phprojectchangerequest.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)

## See Also

### Updating the Library

- [Requesting Changes to the Photo Library](photokit/requesting-changes-to-the-photo-library.md)
- [performChanges(_:completionHandler:)](photos/phphotolibrary/performchanges(_:completionhandler:).md)
- [performChangesAndWait(_:)](photos/phphotolibrary/performchangesandwait(_:).md)
- [PHAssetChangeRequest](photos/phassetchangerequest.md)
- [PHAssetCollectionChangeRequest](photos/phassetcollectionchangerequest.md)
- [PHCollectionListChangeRequest](photos/phcollectionlistchangerequest.md)
- [PHObjectPlaceholder](photos/phobjectplaceholder.md)