Callback button

keyboardButtonCallback#35bbdb6b flags:# requires_password:flags.0?true text:string data:bytes = KeyboardButton;


Name Type Description
flags # Flags, see TL conditional fields
requires_password flags.0?true Whether the user should verify his identity by entering his 2FA SRP parameters to the messages.getBotCallbackAnswer method. NOTE: telegram and the bot WILL NOT have access to the plaintext password, thanks to SRP. This button is mainly used by the official @botfather bot, for verifying the user's identity before transferring ownership of a bot to another user.
text string Button text
data bytes Callback data



Related pages

Two-factor authentication

How to login to a user's account if they have enabled 2FA, how to change password.


Press an inline callback button and get a callback answer from the bot