---
title: "displayLink(action:)"
framework: uikit
role: symbol
role_heading: Instance Method
path: "uikit/uiwindowscene/displaylink(action:)"
---

# displayLink(action:)

## Declaration

```swift
@MainActor @preconcurrency func displayLink(action: @escaping @Sendable (CADisplayLink) -> Void) -> CADisplayLink?
```