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

# windowDidExpose(_:)

Tells the delegate that the window has been exposed.

## Declaration

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

## Parameters

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

## Discussion

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