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# webView(_:shouldInsert:replacing:given:)

Returns whether the user should be allowed to insert a node in place of a range of content.

```
optional func webView(_ webView: WebView!, shouldInsert node: DOMNode!, replacing range: DOMRange!, given action: WebViewInsertAction) -> Bool
```

## Parameters

`webView`

The web view that the user is editing.

`node`

The content to insert.

`range`

The portion of the content that is replaced with `node`.

`action`

Indicates the type of user action that initiated the insertion.

## Return Value

<doc://com.apple.documentation/documentation/Swift/true> if the user should be allowed to insert `node` in `webView`; otherwise, <doc://com.apple.documentation/documentation/Swift/false>.

## Discussion

This method may perform an alternate action—for example, insert a different node—and return <doc://com.apple.documentation/documentation/Swift/false>.

## See Also

[`webViewDidChange(_:)`](/documentation/WebKit/WebEditingDelegate/webViewDidChange(_:))

Sent by the default notification center when the user changes content in the web view.

[`webView(_:shouldInsertText:replacing:given:)`](/documentation/WebKit/WebEditingDelegate/webView(_:shouldInsertText:replacing:given:))

Returns whether a user should be allowed to insert text in place of a range of content.


---

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