# AuthorizationString A zero-terminated string in UTF-8 encoding. ``` typealias AuthorizationString = UnsafePointer ``` ## Discussion Use this in a call to the [`AuthorizationCopyInfo(_:_:_:)`](/documentation/Security/AuthorizationCopyInfo(_:_:_:)) function for the `tag` parameter. --- 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)