Optional
first_First name of the other party in a private chat
Unique identifier for this chat.
Optional
is_True, if the supergroup chat is a forum (has topics enabled)
Optional
last_Last name of the other party in a private chat
Title, for supergroups, channels and group chats
Type of the chat, can be either “private”, “group”, “supergroup” or “channel”
Optional
usernameUsername, for private chats, supergroups and channels if available
Internal type for group chats