---
title: AVFragmentedMovieDurationDidChangeNotification
framework: avfoundation
role: symbol
role_heading: Global Variable
path: avfoundation/avfragmentedmoviedurationdidchangenotification
---

# AVFragmentedMovieDurationDidChangeNotification

## Declaration

```occ
extern NSString * const AVFragmentedMovieDurationDidChangeNotification;
```

## Discussion

Discussion Posted when the duration of an AVFragmentedMovie changes while it’s being minded by an AVFragmentedMovieMinder, but only for changes that occur after the status of the value of @“duration” has reached AVKeyValueStatusLoaded.

## See Also

### Notifications

- [AVAssetChapterMetadataGroupsDidChangeNotification](avfoundation/avassetchaptermetadatagroupsdidchangenotification.md)
- [AVAssetContainsFragmentsDidChangeNotification](avfoundation/avassetcontainsfragmentsdidchangenotification.md)
- [AVAssetDurationDidChangeNotification](avfoundation/avassetdurationdidchangenotification.md)
- [AVAssetMediaSelectionGroupsDidChangeNotification](avfoundation/avassetmediaselectiongroupsdidchangenotification.md)
- [AVAssetTrackSegmentsDidChangeNotification](avfoundation/avassettracksegmentsdidchangenotification.md)
- [AVAssetTrackTimeRangeDidChangeNotification](avfoundation/avassettracktimerangedidchangenotification.md)
- [AVAssetTrackTrackAssociationsDidChangeNotification](avfoundation/avassettracktrackassociationsdidchangenotification.md)
- [AVAssetWasDefragmentedNotification](avfoundation/avassetwasdefragmentednotification.md)
- [AVFragmentedMovieContainsMovieFragmentsDidChangeNotification](avfoundation/avfragmentedmoviecontainsmoviefragmentsdidchangenotification.md)
- [AVFragmentedMovieTrackSegmentsDidChangeNotification](avfoundation/avfragmentedmovietracksegmentsdidchangenotification.md)
- [AVFragmentedMovieTrackTimeRangeDidChangeNotification](avfoundation/avfragmentedmovietracktimerangedidchangenotification.md)
- [AVFragmentedMovieTrackTotalSampleDataLengthDidChangeNotification](avfoundation/avfragmentedmovietracktotalsampledatalengthdidchangenotification.md)
- [AVFragmentedMovieWasDefragmentedNotification](avfoundation/avfragmentedmoviewasdefragmentednotification.md)