Function pin

pin(chatId: string | Wid, pin?: boolean): Promise<{ pin: boolean; wid: Wid }>
Pin a chat
Parameters
- chatId: string | Wid
- pin: boolean = true
Returns Promise<{ pin: boolean; wid: Wid }>
Example
```
// Pin a chat
WPP.chat.pin('[number]@c.us');

// Unpin a chat
WPP.chat.pin('[number]@c.us', false);
// or
WPP.chat.unpin('[number]@c.us');
```
- Defined in src/chat/functions/pin.ts:37