---
title: canContainMovieFragments
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avmovie/cancontainmoviefragments
---

# canContainMovieFragments

A Boolean value that indicates whether fragments can extend the movie file.

## Declaration

```swift
var canContainMovieFragments: Bool { get }
```

## Discussion

Discussion The value of this property is YES if an mvex box is present in the moov box. The mvex box is necessary to signal the possible presence of later moof boxes.

## See Also

### Determining fragment support

- [containsMovieFragments](avfoundation/avmovie/containsmoviefragments.md)