pop modal pages to root
<p>How I can navigate to root page?
I navigate to modal page</p>

<pre><code>_navigationService.NavigateAsync("QuestionDetail", navParams, useModalNavigation: true);
</code></pre>

<p>And then I use</p>

<pre><code>_navigationService.NavigateAsync("QuestionDetail", navParams);
</code></pre>

<p>for navigating to other pages.</p>

<p>How I can directly back to my root page?</p>