Specify whether to show the list of the members of the substitution group, which this element is head of.
(In other words, these are the elements that may substitute for this element.)
<p>
When <b><code>false</code></b> (unselected), only the number of the substituting elements will be printed
along with the link to the <i>"Can be substituted with elements"</i> section in the Element Documentation
(which, when specified, shows the same list).
<p>
<b>See Also Parameters:</b>
<ul>
<li><i>Details | Component Documentation | Lists Of Related Components | Substituting Elements</i></li>
<li><i>DiagramKit | Show in Diagram | Substitution Groups</i></li>
</ul>