---
title: QLPreviewRequest
framework: quicklook
role: symbol
role_heading: Class
path: quicklook/qlpreviewrequest
---

# QLPreviewRequest

An opaque reference that represents a preview request object.

## Declaration

```swift
class QLPreviewRequest
```

## Relationships

### Conforms To

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

## See Also

### Opaque types

- [QLThumbnail](quicklook/qlthumbnail.md)
- [QLThumbnailRequest](quicklook/qlthumbnailrequest.md)