---
title: kMDItemAppleLoopsRootKey
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kmditemappleloopsrootkey
---

# kMDItemAppleLoopsRootKey

Specifies the loop's original key. The key is the root note or tonic for the loop, and does not include the scale type. A CFString.

## Declaration

```swift
let kMDItemAppleLoopsRootKey: CFString!
```