{block name="product_modifiers_template_group"} {if isset($groups.property) && count($groups.property) gt 0}
{foreach from=$groups.property item=$group} {$group} {/foreach}
{/if} {if isset($groups.attribute) && count($groups.attribute) gt 0}
{foreach from=$groups.attribute item=$group} {$group} {/foreach}
{/if} {/block}