---
title: "init(imageFileURL:)"
framework: quicklookthumbnailing
role: symbol
role_heading: Initializer
path: "quicklookthumbnailing/qlthumbnailreply/init(imagefileurl:)"
---

# init(imageFileURL:)

Creates a new thumbnail for a custom file type using a file at the given URL.

## Declaration

```swift
convenience init(imageFileURL fileURL: URL)
```

## Parameters

- `fileURL`: The URL to the file that is used as the thumbnail.

## Return Value

Return Value An initialized reply object for a requested thumbnail.

## Discussion

Discussion The image is scaled down to fit the provided size by the QLFileThumbnailRequest if necessary.

## See Also

### Creating a Thumbnail

- [init(contextSize:currentContextDrawing:)](quicklookthumbnailing/qlthumbnailreply/init(contextsize:currentcontextdrawing:).md)
- [init(contextSize:drawing:)](quicklookthumbnailing/qlthumbnailreply/init(contextsize:drawing:).md)