---
title: "textFormattingViewController(_:didChangeValue:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uitextformattingviewcontroller/delegate-swift.protocol/textformattingviewcontroller(_:didchangevalue:)"
---

# textFormattingViewController(_:didChangeValue:)

## Declaration

```swift
@MainActor func textFormattingViewController(_ viewController: UITextFormattingViewController, didChangeValue changeValue: UITextFormattingViewController.ChangeValue)
```