whmcsZimbraEmail/app/UI/Admin/Templates/custom/sections/freeFieldsSection.tpl

<div class="lu-col-md-12">

    {foreach from=$rawObject->getSections() item=section }
        {$section->getHtml()}
    {/foreach}

    {foreach from=$rawObject->getFields() item=field }
        {$field->getHtml()}
    {/foreach}

</div>