---
title: "webView(_:willSubmitForm:submissionHandler:)"
framework: webkit
role: symbol
role_heading: Instance Method
path: "webkit/wknavigationdelegate/webview(_:willsubmitform:submissionhandler:)"
---

# webView(_:willSubmitForm:submissionHandler:)

## Declaration

```swift
optional func webView(_ webView: WKWebView, willSubmitForm formInfo: WKFormInfo, submissionHandler: @escaping @MainActor @Sendable () -> Void)
```

```swift
optional func webView(_ webView: WKWebView, willSubmitForm formInfo: WKFormInfo) async
```