# CFPropertyListCreateXMLData(_:_:) Creates an XML representation of the specified property list. ``` func CFPropertyListCreateXMLData(_ allocator: CFAllocator!, _ propertyList: CFPropertyList!) -> Unmanaged! ``` ## Parameters `allocator` The allocator to use to allocate memory for the new data object. Pass `NULL` or kCFAllocatorDefault to use the current default allocator. `propertyList` The property list to convert. This may be any of the standard property list objects, for example a CFArray or a CFDictionary object. ## Return Value A CFData object containing the XML data. Ownership follows the [The Create Rule](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFMemoryMgmt/Concepts/Ownership.html#//apple_ref/doc/uid/20001148-103029). ## Discussion > Warning: > This function is obsolete and will be deprecated soon. Use ``doc://com.apple.corefoundation/documentation/CoreFoundation/CFPropertyListCreateData(_:_:_:_:_:)`` instead. --- 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)