---
title: CMTag
framework: coremedia
role: collectionGroup
role_heading: API Collection
path: coremedia/cmtag-api
---

# CMTag

Types and interfaces for working with Core Media tags.

## Topics

### Types

- [CMTag](coremedia/cmtag-swift.class.md)

### Constants

- [Tag Values](coremedia/tag-values.md)

## See Also

### Metadata

- [CMMetadata](coremedia/cmmetadata.md)
- [CMTag](coremedia/cmtag-swift.class.md)
- [CMTypedTag](coremedia/cmtypedtag.md)
- [CMTagCollection](coremedia/cmtagcollection.md)
- [CMProjectionType](coremedia/cmprojectiontype.md)
- [CMStereoViewComponents](coremedia/cmstereoviewcomponents.md)
- [CMStereoViewInterpretationOptions](coremedia/cmstereoviewinterpretationoptions.md)
- [CMPackingType](coremedia/cmpackingtype.md)