# encoded(using:) Generates a column by encoding each element’s value. ``` func encoded(using encoder: Encoder) throws -> Column where Encoder : TopLevelEncoder ``` ## Parameters `encoder` An encoder. ## Return Value A new column of encoded values. ## Discussion> Throws: `ColumnEncodingError` when the encoder fails to encode an element. --- 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)