XF 1.2 i'd like an ad on forum list node 2 page 1. need var help

[Mutt]

i'd like an ad on forum_list node 2 page 1

<xen:if is="{$forum.node_id} == 2 AND {$contentTemplate} == 'forum_view'">

gets me part way there but what var is needed for page?

thanks