---
title: "dropPreviewsFormation(_:)"
framework: swiftui
role: symbol
role_heading: Instance Method
path: "swiftui/view/droppreviewsformation(_:)"
---

# dropPreviewsFormation(_:)

Describes the way previews for a drop are composed.

## Declaration

```swift
nonisolated func dropPreviewsFormation(_ formation: DragDropPreviewsFormation) -> some View

```

## See Also

### Describing preview formations

- [dragPreviewsFormation(_:)](swiftui/view/dragpreviewsformation(_:).md)
- [DragDropPreviewsFormation](swiftui/dragdroppreviewsformation.md)