# sorted(on:_:_:order:) Generates a data frame by copying the data frame’s rows and then sorting the rows according to three columns that you select by their column identifiers. ``` func sorted(on columnID0: ColumnID, _ columnID1: ColumnID, _ columnID2: ColumnID, order: Order = .ascending) -> DataFrame where T0 : Comparable, T1 : Comparable, T2 : Comparable ``` ## Parameters `columnID0` The identifier of a column. `columnID1` The identifier of a second column. `columnID2` The identifier of a third column. `order` A sorting order. ## Discussion> Note: Elements with a value of `nil` are less than all non-`nil` values. --- 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)