---
title: "panelSelectionDidChange(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsopensavepaneldelegate/panelselectiondidchange(_:)"
---

# panelSelectionDidChange(_:)

Tells the delegate that the user changed the selection in the specified Save panel.

## Declaration

```swift
@MainActor optional func panelSelectionDidChange(_ sender: Any?)
```

## Parameters

- `sender`: The panel whose selection changed.

## See Also

### Responding to Panel Changes

- [panel(_:didChangeToDirectoryURL:)](appkit/nsopensavepaneldelegate/panel(_:didchangetodirectoryurl:).md)
- [panel(_:willExpand:)](appkit/nsopensavepaneldelegate/panel(_:willexpand:).md)