bank transfer send confirmation OC 1.5.1.3

I use OC 1.5.1.3
How to modify order.php Opencart to be send email only for bank transfer payment, an a third email like "bank transfer@gmail.com"

i've try to add this:

`$email_to = "bank transfer@gmail.com";

if ($order_info['shipping_method'] == "bank_transfer") { $mail->setTo = ($email_to); }`

in // Admin Alert Mail after declaration

$mail = new Mail();

but not function.
help me please, an sorry for my bad english best regards Fabio

f4b10 wrote:if ($order_info['shipping_method'] == "bank_transfer")

Change shipping_method to payment_method or payment_code and try again