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# webView(_:didStartProvisionalNavigation:)

Tells the delegate that navigation from the main frame has started.

```
optional func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!)
```

## Parameters

`webView`

The web view that is loading the content.

`navigation`

The navigation object associated with the load request.

## Discussion

The web view calls this method after it receives provisional approval to process a navigation request, but before it receives a response to that request.

---

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