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Setup a coupon code in catalook / Paypal

Setup a coupon to give a customer an X% (percentage amount) or Y (fixed amount) discount (optional: when he buys for more then Z):

1. Add a Price Rule Item Module: CAT_Products (CATALooK.netStore -> Products)

Select: ‘Create New’ -> set ‘Status(kind of use)’ = ‘Bundled/Coupon -> set: Product Name = ‘Coupon’ -> set: Price 1 = 0 -> Add

2. Add Cart Price Rules Module CAT_PriceRules (CATALooK.netStore -> Price Rules)

Select ‘Add Cart Price Rule’ -> set Description = ‘Coupon’ -> select the previously created Price Rule Item from the ‘Price Rule Item’ selector -> set Formula = Z-=-X% or Z-=-Y or X% or Y -> Enter all Coupon Codes into the ‘Coupon Codes (Press ENTER/CR to separate):’ box -> Add e.g.:


For live the formula is some thing like this -25% if i need to give 25% discount on each product in my cart
3. Setup the CAT_Card module to use Advanced Coupons:
Select ‘View Options’ from the module menu of module CAT_Cart and turn on the option: ‘Use advanced coupon management’

The same coupon code can be used only once by a customer but multiple times by different customers.
Fixed coupon amounts are partial redeemable. The balances will be displayed in the cart module.
If a customer removes a Coupon Code from the cart it can be reused

Note: After Coupon code activation you must uncheck the "turn off the Indvidual items option in the paypal" under store settings

If you can't do that step this error arrives on the paypal
"The linkyou have used to enter the paypal system contains an Incorrectly formatted item amount"

Just after that your coupon code works fine

Rashid Imran Bilgrami
CEO Best visualization


  1. Thank you for this helpful post. It helped me configure coupans in DNN as I was trying from last two days . Thank you

  2. Hello, Rashid Bilgrami
    Thank you for this useful article. It's a nice sharing for me.

    add barcode in C#

  3. How to Set up custom shipping in catalook i am not using any predefine shipping module. i have added a formulae for shipping but is not taking shipping charges and asking to define shipping price

    1. You can write the custom module that will connect with the catalook database for relevant details

      If you are updating the catalook i recommended it to review the developer guide in detail because it's not controlling from a one place


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