---
title: NSPhotoLibraryUsageDescription
framework: bundleresources
role: symbol
role_heading: Property List Key
path: bundleresources/information-property-list/nsphotolibraryusagedescription
---

# NSPhotoLibraryUsageDescription

A message that tells people why the app is requesting access to their photo library.

## Mentioned in

Requesting Authorization for Media Capture on macOS

## Discussion

Discussion If your app only adds assets to the photo library and does not read assets, use the  NSPhotoLibraryAddUsageDescription key instead. important: This key is required if your app uses APIs that have read or write access to the user’s photo library.

## See Also

### Photos

- [Delivering an Enhanced Privacy Experience in Your Photos App](photokit/delivering-an-enhanced-privacy-experience-in-your-photos-app.md)
- [NSPhotoLibraryAddUsageDescription](bundleresources/information-property-list/nsphotolibraryaddusagedescription.md)