issue with getChat

[DaniyalGeek]

Hi,
i need to fetch chat from a channel as i doing right?
api.getChat({
chat_id: "@altcoins_signal"
}, function(message)
{
// New incoming callback query
console.log(message);
});

[DaniyalGeek]

it's giving null in console

[mast]

I bet maybe bot should have permissions in that chat you want to get