---
title: "applicationWillHide(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsapplicationdelegate/applicationwillhide(_:)"
---

# applicationWillHide(_:)

Tells the delegate that the app is about to be hidden.

## Declaration

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

## Parameters

- `notification`: A notification named doc://com.apple.appkit/documentation/AppKit/NSApplication/willHideNotification. Calling the doc://com.apple.documentation/documentation/Foundation/NSNotification/object method of this notification returns the NSApplication object itself.

## See Also

### Related Documentation

- [hide(_:)](appkit/nsapplication/hide(_:).md)

### Hiding Applications

- [applicationDidHide(_:)](appkit/nsapplicationdelegate/applicationdidhide(_:).md)
- [applicationWillUnhide(_:)](appkit/nsapplicationdelegate/applicationwillunhide(_:).md)
- [applicationDidUnhide(_:)](appkit/nsapplicationdelegate/applicationdidunhide(_:).md)