---
title: QLThumbnailRequest
framework: quicklook
role: symbol
role_heading: Class
path: quicklook/qlthumbnailrequest
---

# QLThumbnailRequest

An opaque reference that represents a thumbnail request object.

## Declaration

```swift
class QLThumbnailRequest
```

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)

## See Also

### Opaque types

- [QLThumbnail](quicklook/qlthumbnail.md)
- [QLPreviewRequest](quicklook/qlpreviewrequest.md)