XF 2.2 Advertising only in threat view

Hello everyone!

I want to put an advertising above the breadcrumb container, but only in thread view. Is it possible?

Right now the advertising is set as Container breadcrumb (top): Above.

I tried to add:
<xf:if is="$template == 'thread_view'">
But this didn't seems to work. It doesn't show anywhere now.
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