cloudstack/plugins/network-elements/cisco-vnmc/scripts/network/cisco/create-vdc.xml

<configConfMo
  dn=""
  cookie="%cookie%"
  inHierarchical="false"> 
  <inConfig> 
    <orgDatacenter 
      descr="%descr%"
      dn="%dn%"  
      name="%name%" 
      status="created"/> 
  </inConfig> 
</configConfMo>