---
title: "textViewportLayoutControllerReceivedSetNeedsLayout(_:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nstextviewportlayoutcontrollerdelegate/textviewportlayoutcontrollerreceivedsetneedslayout(_:)"
---

# textViewportLayoutControllerReceivedSetNeedsLayout(_:)

## Declaration

```swift
optional func textViewportLayoutControllerReceivedSetNeedsLayout(_ textViewportLayoutController: NSTextViewportLayoutController)
```