# decodeDecodable(_:forKey:) Decodes a decodable value associated with a given key. ``` @nonobjc func decodeDecodable(_ type: T.Type, forKey key: String) -> T? where T : Decodable ``` ## Parameters `type` The type of the value to decode. `key` The key in the archive associated with the value to decode. --- 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)