<span class="n">labextension</span> <span class="nb">list</span>
</pre></div>
</div>
<p>The output of this command should include a line that states (depending on installed version number):</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>        <span class="n">trident</span><span class="o">-</span><span class="n">chemwidgets</span> <span class="n">v0</span><span class="mf">.1.1</span> <span class="n">enabled</span> <span class="n">OK</span> <span class="p">(</span><s