---
title: textDidChangeNotification
framework: appkit
role: symbol
role_heading: Type Property
path: appkit/nscontrol/textdidchangenotification
---

# textDidChangeNotification

Sent when the text in the receiving control changes.

## Declaration

```swift
class let textDidChangeNotification: NSNotification.Name
```

## Discussion

Discussion The field editor of the edited cell originally sends an didChangeNotification to the control, which passes it on in this form to its delegate. The notification object is the NSControl object posting the notification. The userInfo dictionary contains the following information:  |   |  See the controlTextDidChange: method for details. The system posts this notification on the main actor. To observe this notification using Swift concurrency, use NSControl.TextDidChangeMessage.

## See Also

### Control-Editing Notifications

- [textDidBeginEditingNotification](appkit/nscontrol/textdidbegineditingnotification.md)
- [textDidEndEditingNotification](appkit/nscontrol/textdidendeditingnotification.md)