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# AVPlayerItemSegment

An immutable object that represents a segment of time on the integrated timeline.

```
class AVPlayerItemSegment
```

## Topics

### Identifying the type

[`segmentType`](/documentation/AVFoundation/AVPlayerItemSegment/segmentType-swift.property)

The type content this segment represents.

[`AVPlayerItemSegment.SegmentType`](/documentation/AVFoundation/AVPlayerItemSegment/SegmentType-swift.enum)

Constants that specify the type of segment.

### Inspecting the segment

[`timeMapping`](/documentation/AVFoundation/AVPlayerItemSegment/timeMapping)

The time mapping for this segment.

[`loadedTimeRanges`](/documentation/AVFoundation/AVPlayerItemSegment/loadedTimeRanges-879hc)

The time ranges for the segment that have media data is readily available.

[`loadedTimeRanges`](/documentation/AVFoundation/AVPlayerItemSegment/loadedTimeRanges-2p0fl)

The time ranges for the segment that have media data is readily available.

[`startDate`](/documentation/AVFoundation/AVPlayerItemSegment/startDate)

The date at which a segment starts.

[`interstitialEvent`](/documentation/AVFoundation/AVPlayerItemSegment/interstitialEvent)

The associated interstitial event for this segment.


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