In my code i can apply 50% discount on cart but i want this discount to apply only when product from a specific category is added. MagentoQuoteModelQuote $quote, MagentoQuoteApiDataShippingAssignmentInterface $shippingAssignment, MagentoQuoteModelQuoteAddressTotal $total ) { parent::collect($quote, $shippingAssignment, $total); //$address = $shippingAssignment->getShipping()->getAddress(); $label = 'RolusTech Discount'; $discountAmount = 0; $appliedCartDiscount = 0; […]