---
title: kMDItemDurationSeconds
framework: coreservices
role: symbol
role_heading: Global Variable
path: coreservices/kmditemdurationseconds
---

# kMDItemDurationSeconds

The duration, in seconds, of the content of file. A value of 10.5 represents media that is 10 and 1/2 seconds long. A CFNumber.

## Declaration

```swift
let kMDItemDurationSeconds: CFString!
```