I am trying to write custom rules for Magento 2 product import data. For example Price must contain specific number of digits based on store view. How can I do such type of validations on csv data and add the error in the error report file same as Magento way.

1 Answer 1


Add the following code in di.xml

<type name="Magento\CatalogImportExport\Model\Import\Product\Validator">
        <argument name="validators" xsi:type="array">
            <item name="yourcustompricevalidator" xsi:type="object">VendorName\CustomModule\Model\Import\Product\Validator\PriceValidator</item>



namespace VendorName\CustomModule\Model\Import\Product\Validator;

use Magento\CatalogImportExport\Model\Import\Product\RowValidatorInterface;
use Magento\CatalogImportExport\Model\Import\Product\Validator\AbstractImportValidator;

class PriceValidator extends AbstractImportValidator implements RowValidatorInterface
    public function isValid($value)
        if (!$value['price']) {
                    'YOUR CUSTOM MESSAGE'
            return false;

        return true;

Modify the if (!$value['price']) { logic.

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