---
title: "init(sampleBuffer:)"
framework: avfoundation
role: symbol
role_heading: Initializer
path: "avfoundation/avtimedmetadatagroup/init(samplebuffer:)-bjuo"
---

# init(sampleBuffer:)

## Declaration

```swift
init?(sampleBuffer: CMSampleBuffer)
```

## Parameters

- `sampleBuffer`: A CMSampleBuffer with media type kCMMediaType_Metadata.

## Return Value

Return Value An instance of AVTimedMetadataGroup.

## Discussion

Discussion Initializes an instance of AVTimedMetadataGroup with a sample buffer.

## See Also

### Creating a timed metadata group

- [init(sampleBuffer:)](avfoundation/avtimedmetadatagroup/init(samplebuffer:)-6atlv.md)
- [init(items:timeRange:)](avfoundation/avtimedmetadatagroup/init(items:timerange:).md)