<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -",
    "macCatalyst: 13.1.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "SafariServices",
  "identifier" : "/documentation/SafariServices/SFSafariViewController/Configuration-swift.class",
  "metadataVersion" : "0.1.0",
  "role" : "Class",
  "symbol" : {
    "kind" : "Class",
    "modules" : [
      "Safari Services",
      "SafariServices"
    ],
    "preciseIdentifier" : "c:objc(cs)SFSafariViewControllerConfiguration"
  },
  "title" : "SFSafariViewController.Configuration"
}
-->

# SFSafariViewController.Configuration

A configuration object that defines how a Safari view controller should be initialized.

```
class Configuration
```

## Overview

Use a configuration object with the [`init(url:configuration:)`](/documentation/SafariServices/SFSafariViewController/init(url:configuration:)-305vl) method to initialize your view controller.

## Topics

### Configuring a Safari View Controller

[`entersReaderIfAvailable`](/documentation/SafariServices/SFSafariViewController/Configuration-swift.class/entersReaderIfAvailable)

A value that specifies whether Safari should enter Reader mode, if it is available.

[`barCollapsingEnabled`](/documentation/SafariServices/SFSafariViewController/Configuration-swift.class/barCollapsingEnabled)

[`eventAttribution`](/documentation/SafariServices/SFSafariViewController/Configuration-swift.class/eventAttribution)

An object you use to send tap event attribution data to the browser for Private Click Measurement.


---

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)