---
title: duration
framework: avfaudio
role: symbol
role_heading: Instance Property
path: avfaudio/avmidiplayer/duration
---

# duration

The duration, in seconds, of the currently loaded file.

## Declaration

```swift
var duration: TimeInterval { get }
```

## See Also

### Accessing player timing

- [currentPosition](avfaudio/avmidiplayer/currentposition.md)