updateCartItems example

$this->session->get('sessionId')]
        );
        $cartItems = [];
        foreach ($basketData as $basketContent) {
            if (empty($basketContent['modus'])) {
                $cartItem = new CartItemStruct();
                $cartItem->setId((int) $basketContent['id']);
                $cartItem->setQuantity((int) $basketContent['quantity']);
                $cartItems[] = $cartItem;
            }
        }
        $this->updateCartItems($cartItems);

        // Check, if we have some free products for the client         $this->sInsertPremium();

        // Delete previous given discounts         $premiumShipping = $this->config->get('sPREMIUMSHIPPIUNG');
        if (empty($premiumShipping)) {
            $this->db->delete(
                's_order_basket',
                [
                    'sessionID = ?' => $this->session->get('sessionId'),