Open a [bot mini app](https://core.telegram.org/bots/webapps), sending over user information after user confirmation.
After calling this method, until the user closes the webview, [messages.prolongWebView](../methods/messages.prolongWebView.html) must be called every 60 seconds.
|from\_bot\_menu|[Bool](/API_docs/types/Bool.html) | Whether the webview was opened by clicking on the bot's [menu button »](https://core.telegram.org/api/bots/menu). | Optional|
|silent|[Bool](/API_docs/types/Bool.html) | Whether the inline message that will be sent by the bot on behalf of the user once the web app interaction is [terminated](../methods/messages.sendWebViewResultMessage.html) should be sent silently (no notifications for the receivers). | Optional|
|peer|[Username, chat ID, Update, Message or InputPeer](/API_docs/types/InputPeer.html) | Dialog where the web app is being opened, and where the resulting message will be sent (see the [docs for more info »](https://core.telegram.org/api/bots/webapps)). | Optional|
|bot|[Username, chat ID, Update, Message or InputUser](/API_docs/types/InputUser.html) | Bot that owns the [web app](https://core.telegram.org/api/bots/webapps) | Optional|
|start\_param|[string](/API_docs/types/string.html) | If the web app was opened from the attachment menu using a [attachment menu deep link](https://core.telegram.org/api/links#bot-attachment-or-side-menu-links), `start_param` should contain the `data` from the `startattach` parameter. | Optional|
|platform|[string](/API_docs/types/string.html) | Short name of the application; 0-64 English letters, digits, and underscores | Optional|
|reply\_to|[InputReplyTo](/API_docs/types/InputReplyTo.html) | If set, indicates that the inline message that will be sent by the bot on behalf of the user once the web app interaction is [terminated](../methods/messages.sendWebViewResultMessage.html) should be sent in reply to the specified message or story. | Optional|
|send\_as|[Username, chat ID, Update, Message or InputPeer](/API_docs/types/InputPeer.html) | Open the web app as the specified peer, sending the resulting the message as the specified peer. | Optional|