---
title: "init(sampleBuffer:)"
framework: avfoundation
role: symbol
role_heading: Initializer
path: "avfoundation/avtimedmetadatagroup/init(samplebuffer:)-6atlv"
---

# init(sampleBuffer:)

Creates a timed metadata group with a sample buffer.

## Declaration

```swift
convenience init?(sampleBuffer: CMReadySampleBuffer<CMSampleBuffer.DynamicContent>)
```

## Parameters

- `sampleBuffer`: A doc://com.apple.documentation/documentation/CoreMedia/CMReadySampleBuffer with media type doc://com.apple.documentation/documentation/CoreMedia/kCMMediaType_Metadata.

## Return Value

Return Value An instance of AVTimedMetadataGroup.

## See Also

### Creating a timed metadata group

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