Александр

{var $array= $_modx->resource.tv_name | split}

{if $old_price?}
                <span class="old_price">{$old_price} {'ms2_frontend_currency' | lexicon}</span>
            {/if}

<?php
switch ($modx->event->name) {
    case 'msOnChangeInCart':
        $tmp = $cart->get();
        $tmp[$key]['count'] = 1;
        $cart->set($tmp);
        break;
}

public function getCost($with_cart = true, $only_cost = false) {
		$response = $this->ms2->invokeEvent('msOnBeforeGetOrderCost', array(
			'order' => $this,
			'cart' => $this->ms2->cart,
			'with_cart' => $with_cart,
			'only_cost' => $only_cost,
		));
		if (!$response['success']) {return $this->error($response['message']);}

		$cart = $this->ms2->cart->status();
		$cost = $with_cart
			? $cart['total_cost']
			: 0;

        $add_price = 0;
         
		/* @var msDelivery $delivery */
		if (!empty($this->order['delivery']) && $delivery = $this->modx->getObject('msDelivery', $this->order['delivery'])) {
			//$cost = $delivery->getCost($this, $cost);
			$add_price += $delivery->getCost($this, $cost) - $cost;
			$deliveryCost = $delivery->getCost($this, 0);
			
		    //	$deliveryCost = $delivery->getCost($this, 0);//Добавил переменную где получаем price доставки
		}

		/* @var msPayment $payment */
		if (!empty($this->order['payment']) && $payment = $this->modx->getObject('msPayment', $this->order['payment'])) {
			
			 $add_price += $payment->getCost($this, $cost) - $cost;
			//$cost = $payment->getCost($this, $cost);
		}
        
        $cost += $add_price;
         
		$response = $this->ms2->invokeEvent('msOnGetOrderCost', array(
			'order' => $this,
			'cart' => $this->ms2->cart,
			'with_cart' => $with_cart,
			'only_cost' => $only_cost,
			'cost' => $cost
		));
		if (!$response['success']) {return $this->error($response['message']);}
		$cost = $response['data']['cost'];

		return $only_cost
			? $cost
			: $this->success('', array('cost' => $cost, 'delivery_cost'=>$deliveryCost));//Добавил deliveryCost
	}