---
title: containsFragments
framework: avfoundation
role: symbol
role_heading: Type Property
path: avfoundation/avpartialasyncproperty/containsfragments
---

# containsFragments

A Boolean value that indicates whether at least one movie fragment extends the asset.

## Declaration

```swift
static var containsFragments: AVAsyncProperty<Root, Bool> { get }
```

## Discussion

Discussion Use the load(_:isolation:) method to retrieve the property value. For QuickTime movie files and MPEG-4 files, the value of this property is true if canContainFragments is true and at least one moof box is present after the moov box.

## See Also

### Loading fragment support

- [canContainFragments](avfoundation/avpartialasyncproperty/cancontainfragments.md)
- [overallDurationHint](avfoundation/avpartialasyncproperty/overalldurationhint.md)
