PrestaShop does not automatically scan new overrides. You must clear the class index.
// New logic: add $5 handling fee for fragile items $extraFee = 0; foreach ($products as $product) if ($product['is_fragile']) $extraFee += 5;
Use overrides sparingly, document them religiously, and always ask: “Could I achieve this with a hook or a custom module instead?” prestashop module override
/override/modules/customshipping/classes/CustomShippingCalculator.php Your override must extend the original class and use the same namespace.
OriginalClassNameOverride (e.g., CartControllerOverride , PaymentModuleOverride ) PrestaShop does not automatically scan new overrides
When used correctly, overrides will save you from module vendor lock-in and let you bend PrestaShop to your exact business needs – without losing the ability to update. Have a tricky module override scenario? Share it in the comments below!
Delete /var/cache/dev/class_index.php (and /var/cache/prod/ in production). OriginalClassNameOverride (e
This is where come into play. What Is a Module Override? An override is a safe, core-respecting way to replace or extend the logic of an existing module without modifying its original source files.