# ShieldSettings.ActivityCategoryPolicy.all(except:) A policy that indicates the device shields all apps and websites, except content that you specify. ``` case all(except: Set> = []) ``` ## Discussion Your app can specify up to 50 application or web domain tokens exceptions at once. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)