---
title: CIAztecCodeDescriptor
framework: coreimage
role: symbol
role_heading: Class
path: coreimage/ciazteccodedescriptor
---

# CIAztecCodeDescriptor

A concrete subclass the Core Image Barcode Descriptor that represents an Aztec code symbol.

## Declaration

```swift
class CIAztecCodeDescriptor
```

## Overview

Overview An Aztec code symbol is a 2D barcode format defined by the ISO/IEC 24778:2008 standard. It encodes data in concentric square rings around a central bullseye pattern.

## Topics

### Creating a Descriptor

- [init(payload:isCompact:layerCount:dataCodewordCount:)](coreimage/ciazteccodedescriptor/init(payload:iscompact:layercount:datacodewordcount:).md)

### Examining a Descriptor

- [errorCorrectedPayload](coreimage/ciazteccodedescriptor/errorcorrectedpayload-swift.property.md)
- [isCompact](coreimage/ciazteccodedescriptor/iscompact-swift.property.md)
- [layerCount](coreimage/ciazteccodedescriptor/layercount-swift.property.md)
- [dataCodewordCount](coreimage/ciazteccodedescriptor/datacodewordcount-swift.property.md)

## Relationships

### Inherits From

- [CIBarcodeDescriptor](coreimage/cibarcodedescriptor.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Barcode Descriptions

- [CIBarcodeDescriptor](coreimage/cibarcodedescriptor.md)
- [CIQRCodeDescriptor](coreimage/ciqrcodedescriptor.md)
- [CIPDF417CodeDescriptor](coreimage/cipdf417codedescriptor.md)
- [CIDataMatrixCodeDescriptor](coreimage/cidatamatrixcodedescriptor.md)