---
title: NSDraggingFormation.stack
framework: appkit
role: symbol
role_heading: Case
path: appkit/nsdraggingformation/stack
---

# NSDraggingFormation.stack

A constant that represents a stack formation, so drag images display overlapping diagonally.

## Declaration

```swift
case stack
```

## See Also

### Constants

- [NSDraggingFormation.default](appkit/nsdraggingformation/default.md)
- [NSDraggingFormation.none](appkit/nsdraggingformation/none.md)
- [NSDraggingFormation.pile](appkit/nsdraggingformation/pile.md)
- [NSDraggingFormation.list](appkit/nsdraggingformation/list.md)