# grouping(_:) Modifies the format style to use the specified grouping. ``` func grouping(_ group: IntegerFormatStyle.Percent.Configuration.Grouping) -> IntegerFormatStyle.Percent ``` ## Parameters `group` The grouping to apply to the format style. ## Return Value An integer percent format style modified to use the specified grouping. --- 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)