Invites a bot to a chat (if it is not yet a member) and sends it the /start command; requires can_invite_users member
right. Bots can't be invited to a private chat other than the chat with the bot. Bots can't be invited to channels
(although they can be added as admins) and secret chats. Returns the sent message.
Request type for Tdjson#sendBotStartMessage.
Invites a bot to a chat (if it is not yet a member) and sends it the /start command; requires can_invite_users member right. Bots can't be invited to a private chat other than the chat with the bot. Bots can't be invited to channels (although they can be added as admins) and secret chats. Returns the sent message. Request type for Tdjson#sendBotStartMessage.