---
title: CAFUMIDChunk
framework: audiotoolbox
role: symbol
role_heading: Structure
path: audiotoolbox/cafumidchunk
---

# CAFUMIDChunk

## Declaration

```swift
struct CAFUMIDChunk
```

## Topics

### Initializers

- [init()](audiotoolbox/cafumidchunk/init().md)
- [init(mBytes:)](audiotoolbox/cafumidchunk/init(mbytes:).md)

### Instance Properties

- [mBytes](audiotoolbox/cafumidchunk/mbytes.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Sendable](swift/sendable.md)

## See Also

### File Structure

- [CAFAudioDescription](audiotoolbox/cafaudiodescription.md)
- [CAFAudioFormatListItem](audiotoolbox/cafaudioformatlistitem.md)
- [CAFChunkHeader](audiotoolbox/cafchunkheader.md)
- [CAFDataChunk](audiotoolbox/cafdatachunk.md)
- [CAFFileHeader](audiotoolbox/caffileheader.md)
- [CAFFormatFlags](audiotoolbox/cafformatflags.md)
- [CAFInfoStrings](audiotoolbox/cafinfostrings.md)
- [CAFInstrumentChunk](audiotoolbox/cafinstrumentchunk.md)
- [CAFMarker](audiotoolbox/cafmarker.md)
- [CAFMarkerChunk](audiotoolbox/cafmarkerchunk.md)
- [CAFOverviewChunk](audiotoolbox/cafoverviewchunk.md)
- [CAFOverviewSample](audiotoolbox/cafoverviewsample.md)
- [CAFPacketTableHeader](audiotoolbox/cafpackettableheader.md)
- [CAFPeakChunk](audiotoolbox/cafpeakchunk.md)
- [CAFPositionPeak](audiotoolbox/cafpositionpeak.md)