This object represents one button of the reply keyboard. For simple text buttons String can be used instead of this object to specify text of the button. Optional fields request_contact, request_location, and request_poll are mutually exclusive.
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.
This object represents one button of the reply keyboard. For simple text buttons String can be used instead of this object to specify text of the button. Optional fields request_contact, request_location, and request_poll are mutually exclusive.