Searching for : 'If usergroup'

[account8226]

Hey, I am searching for the xen:if for an usergroup . Example if his usergroup = admin (ID=3) then show this image.

I tried this :<xen:if is="{$user.usergroup} = '3'"> but it doesn't works.

what is the code ? Thanks

 

[Blue]

<xen:if is="!{xen:helper ismemberof, $visitor, x}">

Look here
http://xenforo.com/community/threads/frequently-asked-questions.5183/#post-181037