---
title: AVVideoFieldMode.bottomOnly
framework: avfoundation
role: symbol
role_heading: Case
path: avfoundation/avvideofieldmode/bottomonly
---

# AVVideoFieldMode.bottomOnly

A value that indicates that a video connection only passes the bottom video field.

## Declaration

```swift
case bottomOnly
```

## See Also

### Constants

- [AVVideoFieldMode.both](avfoundation/avvideofieldmode/both.md)
- [AVVideoFieldMode.topOnly](avfoundation/avvideofieldmode/toponly.md)
- [AVVideoFieldMode.deinterlace](avfoundation/avvideofieldmode/deinterlace.md)