Identifier of the bot, providing the Web App.
Identifier of the chat in which the Web App is opened. The Web App can't be opened in secret chats.
If not 0, the message thread identifier in which the message will be sent.
Parameters to use to open the Web App.
Information about the message or story to be replied in the message sent by the Web App; pass null if none.
The URL from an inlineKeyboardButtonTypeWebApp button, a botMenuButton button, an internalLinkTypeAttachmentMenuBot link, or an empty string otherwise.
Informs TDLib that a Web App is being opened from the attachment menu, a botMenuButton button, an internalLinkTypeAttachmentMenuBot link, or an inlineKeyboardButtonTypeWebApp button. For each bot, a confirmation alert about data sent to the bot must be shown once. Request type for Tdjson#openWebApp.