webviewmessageevent.yml

### YamlMime:TSType
name: WebViewMessageEvent
uid: 'WebView2Script!WebViewMessageEvent:class'
package: WebView2Script!
fullName: WebViewMessageEvent
summary: >-
  Event object for the `chrome.webview.webmessage` event. This event is dispatched when
  `CoreWebView2.PostWebMessage*` is successfully called.
remarks: ''
isPreview: false
isDeprecated: false
type: interface
properties:
  - name: additionalObjects
    uid: 'WebView2Script!WebViewMessageEvent#additionalObjects:member'
    package: WebView2Script!
    fullName: additionalObjects
    summary: |-
      Additional DOM objects that are sent via `PostJSONMessageWithAdditionalObjects`. These objects can be of the following
      types:

      | DOM | Win32 |
      | ------- | ------------ |
      | [FileSystemFileHandle](https://developer.mozilla.org/docs/Web/API/FileSystemFileHandle) | ICoreWebView2FileSystemHandle (kind `File`) |
      | [FileSystemDirectoryHandle](https://developer.mozilla.org/docs/Web/API/FileSystemDirectoryHandle) | ICoreWebView2FileSystemHandle (kind `Directory`) |

      `nullptr` entries will be passed as `null` type.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'additionalObjects: ArrayLike<any>'
      return:
        type: ArrayLike&lt;any&gt;
  - name: source
    uid: 'WebView2Script!WebViewMessageEvent#source:member'
    package: WebView2Script!
    fullName: source
    summary: The source of the event is the `chrome.webview` object.
    remarks: ''
    isPreview: false
    isDeprecated: false
    syntax:
      content: 'source: WebView;'
      return:
        type: '<xref uid="WebView2Script!WebView:class" />'
extends: MessageEvent