---
title: qr
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avmetadataobject/objecttype/qr
---

# qr

A constant that identifies the QR symbology.

## Declaration

```swift
static let qr: AVMetadataObject.ObjectType
```

## See Also

### 2D codes

- [aztec](avfoundation/avmetadataobject/objecttype/aztec.md)
- [dataMatrix](avfoundation/avmetadataobject/objecttype/datamatrix.md)
- [microPDF417](avfoundation/avmetadataobject/objecttype/micropdf417.md)
- [microQR](avfoundation/avmetadataobject/objecttype/microqr.md)
- [pdf417](avfoundation/avmetadataobject/objecttype/pdf417.md)