MadelineProto/docs/TD_docs/constructors/chat.md

title	description
chat	Chat (private chat or group chat or channel chat)

Constructor: chat

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Chat (private chat or group chat or channel chat)

Attributes:

Name	Type	Required	Description
id	long	Yes	Chat unique identifier
title	string	Yes	Chat title
photo	chatPhoto	Yes	Chat photo, nullable
top_message	message	Yes	Last message in the chat, nullable
order	long	Yes	Parameter by descending of which chats are sorted in the chat list. If order of two chats is equal, then they need to be sorted by id also in descending order. If order == 0, position of the chat in the list is undetermined.
unread_count	int	Yes	Count of unread messages in the chat
last_read_inbox_message_id	long	Yes	Identifier of last read incoming message
last_read_outbox_message_id	long	Yes	Identifier of last read outgoing message
notification_settings	notificationSettings	Yes	Notification settings for this chat
reply_markup_message_id	long	Yes	Identifier of the message from which reply markup need to be used or 0 if there is no default custom reply markup in the chat
draft_message	draftMessage	Yes	Draft of a message in the chat, nullable. parse_mode in input_message_text always will be null
type	ChatInfo	Yes	Information about type of the chat

Type: Chat

Example:

$chat = ['_' => 'chat', 'id' => long, 'title' => string, 'photo' => chatPhoto, 'top_message' => message, 'order' => long, 'unread_count' => int, 'last_read_inbox_message_id' => long, 'last_read_outbox_message_id' => long, 'notification_settings' => notificationSettings, 'reply_markup_message_id' => long, 'draft_message' => draftMessage, 'type' => ChatInfo, ];

Or, if you're into Lua:

chat={_='chat', id=long, title=string, photo=chatPhoto, top_message=message, order=long, unread_count=int, last_read_inbox_message_id=long, last_read_outbox_message_id=long, notification_settings=notificationSettings, reply_markup_message_id=long, draft_message=draftMessage, type=ChatInfo, }