l class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">extra_dimensions</span></code>:  <em>&lt;optional&gt;</em></dt><dd><p>Description: - list of the names of dimensions for vectors, or those with prop_dim3 set. Partile is added automatically</p>
<ul class="simple">
<li><p>a list containing type:  <code class="docutils literal notranslate"><span class="pre">[]</span></code></p></li>
<li><p>default list : <code class="docutils literal notranslate"><span class="pre">None</span></