arangosh> db._routing.save({
........>  middleware: [
........>    {
........>      url: {
........&gt;        match: <span class="hljs-string">"/subdirectory/*"</span>
........&gt;      },
........&gt;      action: {
........&gt;        <span class="hljs-keyword">do</span>: <span class="hljs-string">"db://OwnMiddlewareTest/logRequest"</span>
........&gt;      }
........&gt;    }
........&gt;  ]
........&gt; });
{ 
  <span class="hljs-string">"_id"</span> : <span class="hljs-string">"_routing/8893"</span>, 
  <span class="hljs-string">"_key"</span> : <span class="hljs-string">"8893"</span>, 
  <span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_T52B7he---"</span> 
}