---
title: assetWriterInput
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetwriterinputpixelbufferadaptor/assetwriterinput
---

# assetWriterInput

The asset writer input to which the adaptor appends pixel buffers.

## Declaration

```swift
var assetWriterInput: AVAssetWriterInput { get }
```