---
title: Metadata types
framework: avfoundation
role: collectionGroup
role_heading: API Collection
path: avfoundation/metadata-types
---

# Metadata types

Inspect the supported metadata object types that the framework supports.

## Topics

### 2D and 3D codes

- [AVMetadataMachineReadableCodeObject](avfoundation/avmetadatamachinereadablecodeobject.md)

### Faces

- [AVMetadataFaceObject](avfoundation/avmetadatafaceobject.md)

### Heads

- [AVMetadataCatHeadObject](avfoundation/avmetadatacatheadobject.md)
- [AVMetadataDogHeadObject](avfoundation/avmetadatadogheadobject.md)

### Bodies

- [AVMetadataBodyObject](avfoundation/avmetadatabodyobject.md)
- [AVMetadataCatBodyObject](avfoundation/avmetadatacatbodyobject.md)
- [AVMetadataDogBodyObject](avfoundation/avmetadatadogbodyobject.md)
- [AVMetadataHumanBodyObject](avfoundation/avmetadatahumanbodyobject.md)
- [AVMetadataHumanFullBodyObject](avfoundation/avmetadatahumanfullbodyobject.md)

### Saliency

- [AVMetadataSalientObject](avfoundation/avmetadatasalientobject.md)

## See Also

### Metadata capture

- [AVCaptureMetadataInput](avfoundation/avcapturemetadatainput.md)
- [AVCaptureMetadataOutput](avfoundation/avcapturemetadataoutput.md)
- [AVMetadataObject](avfoundation/avmetadataobject.md)