<p>Fired inside the constructor <code>\XF\Service\User\ContentChange</code> class in the <code>combineData()</code> method.</p>

<p>This allows you to add extra tables and columns that should be updated when a user is renamed, deleted or merged. Note that adding steps requires a class extension.</p>

<p>Callback signature:</p>
<blockquote><code><em>\XF\Service\User\ContentChange</em> $changeService, <em>array</em> &amp;$updates</code></blockquote>

<p>Arguments:</p>
<ol>
	<li><code><em>\XF\Service\User\ContentChange</em> $changeService</code> - The service being initialized.</li>
	<li><code><em>array</em> &amp;$updates</code> - A list of tables and columns within that need to be updated when this service runs.</li>
</ol>