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# documentLaunchSubtitle(_:)

Sets the subtitle displayed beneath the title on the document
launch card.

```
nonisolated func documentLaunchSubtitle(_ subtitle: Text) -> some Scene
```

## Parameters

`subtitle`

The subtitle to display.

## Discussion

Use this modifier to add descriptive text beneath the launch
card title. Apply the modifier to a [`DocumentGroupLaunchScene`](/documentation/SwiftUI/DocumentGroupLaunchScene)
or any of its ancestors.

---

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