Show User Group On Order Detail Page?

How can I show the user group on the order detail page.

{$usergroup}

/admin.php?dispatch=orders.details&order_id=97

design/backend/templates/views/orders/details.tpl

Try something like this

{if $order_info.user_id}
    {$u_data = $order_info.user_id|fn_get_user_info}
    {if $u_data.usergroups}
        {foreach from=$u_data.usergroups item=ug}
            {if $ug.usergroup_id > $smarty.const.USERGROUP_REGISTERED}
               {$ug.usergroup_id|fn_get_usergroup_name} 
            {/if}
        {/foreach}
    {/if}
{/if}

(!) Not tested

design/backend/templates/views/orders/details.tpl

Try something like this

{if $order_info.user_id}
    {$u_data = $order_info.user_id|fn_get_user_info}
    {if $u_data.usergroups}
        {foreach from=$u_data.usergroups item=ug}
            {if $ug.usergroup_id > $smarty.const.USERGROUP_REGISTERED}
               {$ug.usergroup_id|fn_get_usergroup_name} 
            {/if}
        {/foreach}
    {/if}
{/if}

(!) Not tested

Perfect, thanks.