---
title: "windowWillMiniaturize(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nswindowdelegate/windowwillminiaturize(_:)"
---

# windowWillMiniaturize(_:)

Tells the delegate that the window is about to be minimized.

## Declaration

```swift
@MainActor optional func windowWillMiniaturize(_ notification: Notification)
```

## Parameters

- `notification`: A notification named doc://com.apple.appkit/documentation/AppKit/NSWindow/willMiniaturizeNotification.

## Discussion

Discussion You can retrieve the NSWindow object in question by sending object to notification.

## See Also

### Minimizing Windows

- [windowDidMiniaturize(_:)](appkit/nswindowdelegate/windowdidminiaturize(_:).md)
- [windowDidDeminiaturize(_:)](appkit/nswindowdelegate/windowdiddeminiaturize(_:).md)