---
title: notificationCenter
framework: xctest
role: symbol
role_heading: Instance Property
path: xctest/xctnsnotificationexpectation/notificationcenter
---

# notificationCenter

The notification center from which the notification must be posted.

## Declaration

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

## See Also

### Expectation Properties

- [notificationName](xctest/xctnsnotificationexpectation/notificationname.md)
- [observedObject](xctest/xctnsnotificationexpectation/observedobject.md)