<p>Called before rendering the helper_criteria template to allow adding additional view params to the criteria form.</p>

<p>Callback signature:</p>
<blockquote><code>array &amp;$templateData</code></blockquote>

<p>Arguments:</p>
<ol>
	<li><code><em>array</em> &amp;$templateData</code> - the array of data passed to the helper_criteria_template.</li>
</ol>