---
title: "init(textView:oldNotifyingTextView:newNotifyingTextView:)"
framework: appkit
role: symbol
role_heading: Initializer
path: "appkit/nstextview/willchangenotifyingtextviewmessage/init(textview:oldnotifyingtextview:newnotifyingtextview:)"
---

# init(textView:oldNotifyingTextView:newNotifyingTextView:)

## Declaration

```swift
init(textView: NSTextView, oldNotifyingTextView: NSTextView? = nil, newNotifyingTextView: NSTextView? = nil)
```