i have a situation where i need to apply a custom price (calculated based on cost price) on products before catalog promotion rules being applied. Currently i have successfully applied product price by overriding


method from /app/code/core/Mage/Catalog/Model/Product/Type/Price.php and


event. but it blocks catalog rule to be applied. i.e default catalog rules are now disabled. In short i want to modify product price before catalog rule being applied. Is there a way i can achieve this? Thanks in advance for any kind of help.

1 Answer 1


You can extend




And modify the getFinalPrice method to change prices for configurable and simple products.

This will modify the price before any other catalog price rules are applied.

  • Thankx for your suggestion, in order to modify product prices i already implemented this method. it works for products without catalog rules.
    – Haris
    Aug 20, 2015 at 9:09

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