Can only be sent or received as part of an inline keyboard, use keyboardButtonSimpleWebView for reply keyboards.
keyboardButtonWebView#13767230 text:string url:string = KeyboardButton;
|url||string||Web app url|
Bots can offer users interactive HTML5 web apps to completely replace any website.
Open a bot web app, sending over user information after user confirmation.
After calling this method, until the user closes the webview, messages.prolongWebView must be called every 60 seconds.
Can only be sent or received as part of a reply keyboard, use keyboardButtonWebView for inline keyboards.