Chat ​
id ​
Type: number
Unique identifier for this chat.
photoUrl ​
Type: string, optional
URL of the chat’s photo. The photo can be in .jpeg or .svg formats. Only returned for Mini Apps launched from the attachment menu.
type ​
Type: 'group' | 'supergroup' | 'channel' | string
Type of chat.
title ​
Type: string
Title of the chat.
username ​
Type: string, optional
Username of the chat.
