Optionalbot_A JSON-serialized object listing the required administrator rights of the bot in the chat.
Optionalbot_Pass True to request a chat with the bot as a member.
Optionalchat_Pass True to request a supergroup or a channel with a username, pass False to request a chat without a username.
Pass True to request a channel chat, pass False to request a group or a supergroup chat.
Optionalchat_Pass True to request a chat owned by the user.
Optionalchat_Pass True to request a forum supergroup, pass False to request a non-forum chat.
Signed 32-bit identifier of the request that will be received back in the ChatShared object.
Optionalrequest_Pass True to request the chat's photo.
Optionalrequest_Pass True to request the chat's title.
Optionalrequest_Pass True to request the chat's username.
Optionaluser_A JSON-serialized object listing the required administrator rights of the user in the chat.
Defines the criteria used to request a suitable chat.
See
Telegram Bot API: KeyboardButtonRequestChat