---
title: session
framework: avfoundation
role: symbol
role_heading: Instance Property
path: avfoundation/avcapturevideopreviewlayer/session
---

# session

A capture session with visual output to preview.

## Declaration

```swift
var session: AVCaptureSession? { get set }
```

## Mentioned in

Setting up a capture session

## See Also

### Session configuration

- [connection](avfoundation/avcapturevideopreviewlayer/connection.md)
- [setSessionWithNoConnection(_:)](avfoundation/avcapturevideopreviewlayer/setsessionwithnoconnection(_:).md)