Евгений Webinmd

{if $price>0}
<div class="price mt-1">{$price} ₽</div>
{else}
пишем, что вам нужно
{/if}

{"availability":"ASC", "price":"DESC"}.

'parents' => '0,-'~$_modx->resource.id,

<input type="hidden" name="id" value="[[+id]]">

<input type="hidden" name="id" value="{$id}">

<form method="post" class="ms2_form">
    <input type="hidden" name="id" value="[[+id]]">
    <input type="hidden" name="count" value="1">
    <input type="hidden" name="options" value="[]"> 
    <butto type="submit" name="ms2_action" value="cart/add">
        В корзину
    </button> 
</form>