<processcollocation>
    .
    .
    .
   <extension class="RT-CAD-EXT" origin="CIAO">somefile.rtd</extension>
    .
  </processcollocation>
   <homeplacement>
     .
     .
     ,
    <extension class="RT-POLICY-SET"
                 origin="CIAO">A_POLICY_NAME</extension>
     .
   </homeplacement>