Optional
first_First name of the user, if the name was requested by the bot
Optional
last_Last name of the user, if the name was requested by the bot
Optional
photoAvailable sizes of the chat photo, if the photo was requested by the bot
Identifier of the shared user. The bot may not have access to the user and could be unable to use this identifier, unless the user is already known to the bot by some other means.
Optional
usernameUsername of the user, if the username was requested by the bot
This object contains information about a user that was shared with the bot using a KeyboardButtonRequestUsers button.