<!--
{
  "availability" : [
    "macOS: -"
  ],
  "documentType" : "symbol",
  "framework" : "AppKit",
  "identifier" : "/documentation/AppKit/NSWorkspace/notificationCenter",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "AppKit"
    ],
    "preciseIdentifier" : "c:objc(cs)NSWorkspace(py)notificationCenter"
  },
  "title" : "notificationCenter"
}
-->

# notificationCenter

The notification center for workspace notifications.

```
var notificationCenter: NotificationCenter { get }
```

## Return Value

The notification center object associated with the workspace

## Discussion

This notification center object delivers the workspace-related notifications described in Responding to Environment Notifications.

You can access this object safely from any thread in your app in macOS 10.6 and later.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)