---
title: duration
framework: tvmlkit
role: symbol
role_heading: Instance Property
path: tvmlkit/tvmediaitem/timerange/duration
---

# duration

The duration of a time range in a media item.

## Declaration

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

## See Also

### Defining the Time Range

- [startTime](tvmlkit/tvmediaitem/timerange/starttime.md)
- [endTime](tvmlkit/tvmediaitem/timerange/endtime.md)