ass="k">as?</span> <span class="kt">DeckSnapshotUpdater</span><span class="p">)?</span><span class="o">.</span><span class="nf">requestPresentedViewSnapshotUpdate</span><span class="p">()</span>
</code></pre>

<p>All this does is request the presentation controller to update the snapshot.</p>

<p>You can also choose to update snapshot directly from the presenting view controller, as follows:</p>
<pre class="highlight swift"><code><span class="p">(</span><span class="n">presentedViewController</span><span cl