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# syncSampleNALUnitType

The NAL unit type for HEVC sync sample groups.

```
var syncSampleNALUnitType: Int16 { get set }
```

## Discussion

This value maps to the <doc://com.apple.documentation/documentation/CoreMedia/kCMSampleAttachmentKey_HEVCSyncSampleNALUnitType> sample buffer attachment.

---

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