---
title: NSUndoCloseGroupingRunLoopOrdering
framework: foundation
role: symbol
role_heading: Global Variable
path: foundation/nsundoclosegroupingrunloopordering
---

# NSUndoCloseGroupingRunLoopOrdering

A priority to use when using a run loop to close an undo group.

## Declaration

```swift
var NSUndoCloseGroupingRunLoopOrdering: Int { get }
```

## Discussion

Discussion Use this value as the order parameter if you call perform(_:target:argument:order:modes:) to have a RunLoop perform a selector that closes an undo group.

## See Also

### Working with run loops

- [runLoopModes](foundation/undomanager/runloopmodes.md)