---
title: "sessionDidRunDeferredStart(_:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avcapturesessiondeferredstartdelegate/sessiondidrundeferredstart(_:)"
---

# sessionDidRunDeferredStart(_:)

This method gets called by the session when deferred start has finished running.

## Declaration

```swift
func sessionDidRunDeferredStart(_ session: AVCaptureSession)
```

## Parameters

- `session`: The doc://com.apple.avfoundation/documentation/AVFoundation/AVCaptureSession instance that runs the deferred start.

## See Also

### Responding to deferred start events

- [sessionWillRunDeferredStart(_:)](avfoundation/avcapturesessiondeferredstartdelegate/sessionwillrundeferredstart(_:).md)