<!--
{
  "availability" : [
    "iOS: 8.0.0 -",
    "iPadOS: 8.0.0 -",
    "macCatalyst: 14.0.0 -",
    "macOS: 10.7.0 -",
    "tvOS: 17.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "AVFoundation",
  "identifier" : "/documentation/AVFoundation/AVCaptureVideoPreviewLayer/init(sessionWithNoConnection:)",
  "metadataVersion" : "0.1.0",
  "role" : "Initializer",
  "symbol" : {
    "kind" : "Initializer",
    "modules" : [
      "AVFoundation"
    ],
    "preciseIdentifier" : "c:objc(cs)AVCaptureVideoPreviewLayer(im)initWithSessionWithNoConnection:"
  },
  "title" : "init(sessionWithNoConnection:)"
}
-->

# init(sessionWithNoConnection:)

Creates a layer to preview the visual output of a capture session, without making connections to eligible video inputs.

```
init(sessionWithNoConnection session: AVCaptureSession)
```

## Parameters

`session`

A capture session to preview.

## Discussion

Only use this initializer if you intend to manually connect the layer to a particular [`AVCaptureInput.Port`](/documentation/AVFoundation/AVCaptureInput/Port) by calling the session’s [`addConnection(_:)`](/documentation/AVFoundation/AVCaptureSession/addConnection(_:)) method.

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)