Better Together Contribution Support Thread

[twins225]

ok...i am this file: ot_better_together.php located here:
/public_html/includes/modules/order_total/

i am trying to add a simple discount....using scott's sample from the info page:
function setup() {
$this->add_prod_to_prod(161,162,"%", 50);
}

but i still keep getting a blank page when it comes time to checkout.

this is what i am seeing in the php file, and i know a bunch of coding examples are included, so i don't know if i need to delete anything in the php file to make the discounts work?

here is a screen shot (the highlighted part is what i am trying to add):