---
title: kCMTimeCodeFormatDescriptionExtension_SourceReferenceName
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmtimecodeformatdescriptionextension_sourcereferencename
---

# kCMTimeCodeFormatDescriptionExtension_SourceReferenceName

An extension that describes the source reference name.

## Declaration

```swift
let kCMTimeCodeFormatDescriptionExtension_SourceReferenceName: CFString
```

## See Also

### Constants

- [kCMTimeCodeFormatDescriptionKey_LangCode](coremedia/kcmtimecodeformatdescriptionkey_langcode.md)
- [kCMTimeCodeFormatDescriptionKey_Value](coremedia/kcmtimecodeformatdescriptionkey_value.md)