---
title: "init(metalLayer:)"
framework: quartzcore
role: symbol
role_heading: Initializer
path: "quartzcore/cametaldisplaylink/init(metallayer:)"
---

# init(metalLayer:)

Creates a display link for Metal from a Core Animation layer.

## Declaration

```swift
init(metalLayer layer: CAMetalLayer)
```

## Parameters

- `layer`: A Core Animation layer for Metal.