webApp property

WebAppInfo? webApp
final

Optional. If specified, the described Web App will be launched when the button is pressed. The Web App will be able to send a “web_app_data” service message. Available in private chats only.

Note: web_app option will only work in Telegram versions released after 16 April, 2022. Older clients will display unsupported message.

Implementation

final WebAppInfo? webApp;