# CFXMLParserCopyDescriptionCallBack Callback function invoked by the parser when handling the information pointer. ``` typealias CFXMLParserCopyDescriptionCallBack = (UnsafeRawPointer?) -> Unmanaged? ``` ## Parameters `info` The program-defined context data you specified in the [`CFXMLParserContext`](/documentation/CoreFoundation/CFXMLParserContext) structure when creating the parser. ## Return Value A textual description of `info`. The caller is responsible for releasing this object. ## Discussion --- 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)