---
title: "textLayoutManager(_:textViewportLayoutControllerFor:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nstextlayoutmanagerdelegate/textlayoutmanager(_:textviewportlayoutcontrollerfor:)"
---

# textLayoutManager(_:textViewportLayoutControllerFor:)

## Declaration

```swift
optional func textLayoutManager(_ textLayoutManager: NSTextLayoutManager, textViewportLayoutControllerFor textContainer: NSTextContainer) -> NSTextViewportLayoutController?
```