You can directly provide the [Update](Update.html) or [Message](Message.html) object here, MadelineProto will automatically extract the destination chat id.

The following syntaxes can also be used:

```php
$%1$s = '@username'; // Username

$%1$s = $update; // Update objects received in the event handler

$%1$s = 'me'; // The currently logged-in user

$%1$s = 44700; // bot API id (users)
$%1$s = -492772765; // bot API id (chats)
$%1$s = -10038575794; // bot API id (channels)

$%1$s = 'https://t.me/danogentili'; // t.me URLs
$%1$s = 'https://t.me/joinchat/asfln1-21fa_'; // t.me invite links

```

You can also provide one of the following objects, instead, MadelineProto will handle conversion automatically:  

- [Chat](Chat.html)
- [User](User.html)
- [InputPeer](InputPeer.html)
- [InputDialogPeer](InputDialogPeer.html)
- [InputNotifyPeer](InputNotifyPeer.html)
- [InputUser](InputUser.html)
- [InputChannel](InputChannel.html)
- [Peer](Peer.html)
- [DialogPeer](DialogPeer.html)
- [NotifyPeer](NotifyPeer.html)
- [Chat](Chat.html)