---
title: sourcePixelBufferAttributes
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetwriterinputtaggedpixelbuffergroupadaptor/sourcepixelbufferattributes
---

# sourcePixelBufferAttributes

The attributes of buffers that the adaptor’s pixel buffer pool vends.

## Declaration

```swift
var sourcePixelBufferAttributes: [String : any Sendable]? { get }
```

## Discussion

Discussion The value of this property is a dictionary containing pixel buffer attribute keys defined in <CoreVideo/CVPixelBuffer.h>.

## See Also

### Configuring the buffer pool

- [pixelBufferPool](avfoundation/avassetwriterinputtaggedpixelbuffergroupadaptor/pixelbufferpool.md)