View Source ExTDLib.Method.GetWebAppUrl (ExTDLib v0.0.4)

Returns an HTTPS URL of a Web App to open from the side menu, a keyboardButtonTypeWebApp button, an inlineQueryResultsButtonTypeWebApp button, or an internalLinkTypeSideMenuBot link. Returns object_ptr<HttpUrl>.

NameTypeDescription
bot_user_idstringIdentifier of the target bot.
urlstringThe URL from a keyboardButtonTypeWebApp button, inlineQueryResultsButtonTypeWebApp button, an internalLinkTypeSideMenuBot link, or an empty when the bot is opened from the side menu.
themethemeParametersPreferred Web App theme; pass null to use the default theme.
application_namestringShort name of the application; 0-64 English letters, digits, and underscores.

More details on telegram's documentation.