class="toctree-l1"><a class="reference internal" href="attributes.html">Dynamic object attributes</a><ul>
<li class="toctree-l2"><a class="reference internal" href="attributes.html#defining-a-category">Defining a category</a></li>
<li class="toctree-l2"><a class="reference internal" href="attributes.html#importing-the-category">Importing the category</a></li>
<li class="toctree-l2"><a class="reference internal" href="attributes.html#summary">Summary</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="refe