Answered How to pass product TVs to SimpleCart's scGetCart snippet?

$sc = $modx->getService('simplecart','SimpleCart',$modx->getOption('simplecart.core_path',null,$modx->getOption('core_path').'components/simplecart/').'model/simplecart/',$scriptProperties);
if (!($sc instanceof SimpleCart)) return '';

$controller = $sc->loadController('Cart');
$output = $controller->run($scriptProperties);

<div id="simplecart">
    
    <form action="[[~[[*id]]]]" method="post" id="form_cartoverview">
        <input type="hidden" name="updatecart" value="true" />
        
        <table>
          <tr>
            <th class="desc">[[%simplecart.cart.description]]</th>
            <th class="price">[[%simplecart.cart.price]]</th>
            <th class="quantity">[[%simplecart.cart.quantity]]</th>
            [[+cart.total.vat_total:notempty=`<th class="quantity">[[%simplecart.cart.vat]]</th>`:isempty=``]]
            <th class="subtotal">[[%simplecart.cart.subtotal]]</th>
            <th> </th>
          </tr>
            
            [[+cart.wrapper]]
            
          [[+cart.total.discount:notempty=`<tr class="total first discount">
            <td colspan="[[+cart.total.vat_total:notempty=`3`:isempty=`2`]]"> </td>
            <td class="label">[[%simplecart.cart.discount]]</td>
            <td class="value">- [[+cart.total.discount_formatted]]</td>
            <td class="extra">[[+cart.total.discount_percent:notempty=`([[+cart.total.discount_percent]]%)`:isempty=` `]]</td>
          </tr>`:isempty=``]]

        [[+cart.total.vat_total:notempty=`
          <tr class="total [[+cart.total.discount:notempty=`second`:isempty=`first`]]">
            <td colspan="3"> </td>
            <td class="label">[[%simplecart.cart.total_ex_vat]]</td>
            <td class="value">[[+cart.total.price_ex_vat_formatted]]</td>
            <td class="extra"> </td>
          </tr>
          [[+cart.vat_rates]]
          <tr class="total [[+cart.total.discount:notempty=`third`:isempty=`second`]]">
            <td colspan="3"> </td>
            <td class="label">[[%simplecart.cart.total_vat]]</td>
            <td class="value">[[+cart.total.vat_total_formatted]]</td>
            <td class="extra"> </td>
          </tr>
          <tr class="total [[+cart.total.discount:notempty=`fourth`:isempty=`third`]]">
            <td colspan="3"> </td>
            <td class="label">[[%simplecart.cart.total_in_vat]]</td>
            <td class="value">[[+cart.total.price_formatted]]</td>
            <td class="extra"> </td>
          </tr>
        `:isempty=`
          <tr class="total [[+cart.total.discount:notempty=`second`:isempty=`first`]]">
            <td colspan="2"> </td>
            <td class="label">[[%simplecart.cart.total]]</td>
            <td class="value">[[+cart.total.price_formatted]]</td>
            <td class="extra"> </td>
          </tr>
        `]]
        </table>
        
        <div class="submit">
            <input type="submit" value="[[%simplecart.cart.update]]" />
        </div>
    </form>