---
title: PHPhotoLibraryPersistentChangesObserver
framework: photos
role: symbol
role_heading: Protocol
path: photos/phphotolibrarypersistentchangesobserver
---

# PHPhotoLibraryPersistentChangesObserver

## Declaration

```swift
protocol PHPhotoLibraryPersistentChangesObserver : NSObjectProtocol
```

## Topics

### Instance Methods

- [photoLibraryPersistentChangesDidUpdate(_:)](photos/phphotolibrarypersistentchangesobserver/photolibrarypersistentchangesdidupdate(_:).md)

## Relationships

### Inherits From

- [NSObjectProtocol](objectivec/nsobjectprotocol.md)