are connected.</p>
<table  class="cmtable" summary="Element: topology_link">
<tr>
<th>Parents </th><th colspan="3">Element Chain  </th></tr>
<tr>
<td><a class="el" href="sdf_pg.html#sdf_element_platform">topology</a> </td><td colspan="3"><a class="el" href="sdf_pg.html#sdf_element_topology">/system_description/platform/topology</a>  </td></tr>
<tr>
<th>Attributes </th><th>Description </th><th>Type </th><th>Use  </th></tr>
<tr>
<td>name </td><td>Unique name for the link. </td><td>xs:string </td><td>optional 