---
title: WebPage.NavigationEvent.startedProvisionalNavigation
framework: webkit
role: symbol
role_heading: Case
path: webkit/webpage/navigationevent/startedprovisionalnavigation
---

# WebPage.NavigationEvent.startedProvisionalNavigation

This event occurs when the page receives provisional approval to process a navigation request, but before it receives a response to that request.

## Declaration

```swift
case startedProvisionalNavigation
```