---
title: "init(fileAt:)"
framework: quicklook
role: symbol
role_heading: Initializer
path: "quicklook/arquicklookpreviewitem/init(fileat:)"
---

# init(fileAt:)

Creates an object representing the 3D content that will be previewed in AR Quick Look.

## Declaration

```swift
init(fileAt url: URL)
```

## Parameters

- `url`: A file URL to 3D content file (e.g. usdz).

## Return Value

Return Value The preview object to display in AR Quick Look.

## Discussion

Discussion This object will be previewed in AR Quick Look using the default behavior: Start in Object mode without camera passthrough Display the Share button for 3D content sharing Allow scaling content in both Object and AR mode This is a promise to the ARQuickLookPreviewItem class that the URL points to a 3D content file. This class does not deal with the file’s existence or content, and leaves it up to QuickLook to handle and process the URL.