RpcApi.php

        // Check to make sure that our valid fields are in there
        $requiredFields = array(
            'price',
            'name',
            'description',
            'type',
            'shippingCost',
            'vendorSku'
        );
        $valid = true;
        
        foreach ($storeData['products'] as $rawProduct) {
            $fields = array_keys($rawProduct);
            foreach ($requiredFields as $requiredField) {
                if (!in_array($requiredField, $fields)) {
                    $valid = false;
                }
            }
        }