I've been making a few modifications to the checkout process in an attempt to restrict Free Shipping coupons to only USPS. I've modified ot_coupon.php and it is now correctly recognizing and stopping the coupon codes in question, so now I need to have it actually check what shipping method is being used - I've been scouring all the seemingly related files, but I can't seem to find where the shipping method is carried through the checkout process. Does anyone know if there is a variable being passed around somewhere that is hiding the info I need?![]()


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