---
title: kMDItemAppleLoopDescriptors
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kmditemappleloopdescriptors
---

# kMDItemAppleLoopDescriptors

Specifies multiple pieces of descriptive information about a loop. A CFArray of CFStrings.

## Declaration

```swift
let kMDItemAppleLoopDescriptors: CFString!
```

## Discussion

Discussion Besides genre and instrument, files can contain descriptive information that help users in refining searches.