---
title: "dragInteraction(_:prefersFullSizePreviewsFor:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uidraginteractiondelegate/draginteraction(_:prefersfullsizepreviewsfor:)"
---

# dragInteraction(_:prefersFullSizePreviewsFor:)

Asks the delegate whether the preview should appear in its original size or a scaled size.

## Declaration

```swift
optional func dragInteraction(_ interaction: UIDragInteraction, prefersFullSizePreviewsFor session: any UIDragSession) -> Bool
```

## Parameters

- `interaction`: The interaction that called this method.
- `session`: The current drag session.

## Return Value

Return Value true to tell the system the preview should appear in its original size; otherwise false, which is the default if you don’t provide this method.

## Discussion

Discussion The return value is a recommendation to the system. The system may choose to scale the preview to a smaller size, according to its own rules, even if you return true.

## See Also

### Providing drag previews

- [dragInteraction(_:previewForLifting:session:)](uikit/uidraginteractiondelegate/draginteraction(_:previewforlifting:session:).md)
- [dragInteraction(_:previewForCancelling:withDefault:)](uikit/uidraginteractiondelegate/draginteraction(_:previewforcancelling:withdefault:).md)