<https://processwire.com/talk/topic/4389-help-in-adding-a-promo-code-to-shopping-cart/#comment-43123>
<http://schema.org/text>
"Thank you for the help... I will try this out and tell the results soon. "
<https://processwire.com/talk/topic/4389-help-in-adding-a-promo-code-to-shopping-cart/>