---
title: inputGroups
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avassetwriter/inputgroups
---

# inputGroups

The input groups an asset writer contains.

## Declaration

```swift
var inputGroups: [AVAssetWriterInputGroup] { get }
```

## Discussion

Discussion Add input groups to the asset writer using its add(_:) method.

## See Also

### Configuring input groups

- [canAdd(_:)](avfoundation/avassetwriter/canadd(_:)-8s1oh.md)
- [add(_:)](avfoundation/avassetwriter/add(_:)-3san4.md)