---
title: kCMFormatDescriptionExtensionKey_MetadataKeyTable
framework: coremedia
role: symbol
role_heading: Global Variable
path: coremedia/kcmformatdescriptionextensionkey_metadatakeytable
---

# kCMFormatDescriptionExtensionKey_MetadataKeyTable

## Declaration

```swift
let kCMFormatDescriptionExtensionKey_MetadataKeyTable: CFString
```