---
title: "runCustomizationPalette(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nstoolbar/runcustomizationpalette(_:)"
---

# runCustomizationPalette(_:)

Displays the toolbar’s customization palette and handles any user-initiated customizations.

## Declaration

```swift
func runCustomizationPalette(_ sender: Any?)
```

## Parameters

- `sender`: The control sending the message.

## Discussion

Discussion While the customization palette is visible, the toolbar calls methods of its delegate to manage configuration changes.

## See Also

### Displaying the customization palette

- [customizationPaletteIsRunning](appkit/nstoolbar/customizationpaletteisrunning.md)