# CFNetServiceCreateDictionaryWithTXTData(_:_:) Uses TXT record data to create a dictionary. ``` func CFNetServiceCreateDictionaryWithTXTData(_ alloc: CFAllocator?, _ txtRecord: CFData) -> Unmanaged? ``` ## Parameters `alloc` The allocator to use to allocate memory for the new object. Pass `NULL` or to use the current default allocator. `txtRecord` TXT record data as returned by [`CFNetServiceGetTXTData(_:)`](/documentation/CFNetwork/CFNetServiceGetTXTData(_:)). ## Return Value A dictionary containing the key/value pairs parsed from `txtRecord`, or `NULL` if `txtRecord` cannot be parsed. Each key in the dictionary is a CFString object, and each value is a CFData object. 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 This function is thread safe. --- 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)