coupon - Magento setCouponCode -


is there know can find setcouponcode function is?
cause im trying is, want add custom code when adding coupon code added table in database has custom code check. believe magento checking database before setting coupon code thats why when apply custom code apply cancel coupon not show in view.
can editing view want dynamic apply module new store, doesnt affect view page.
hope understand long explanation , hopping can me problem.

setcouponcode magic function within magento, there no defining function. typically when see setcouponcode there collecttotals function right after. validates coupon code , calculates prices.


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