 <its:rules xmlns:its="http://www.w3.org/2005/11/its" version="2.0">
  <its:param name="targetOneParam">firstfolder</its:param>
  <its:param name="targetTwoParam">firstfile</its:param>
  <its:targetPointerRule selector="//entry[@id='one']/source" targetPointer="../target[@id=$targetOneParam]"/>
  <its:targetPointerRule selector="//entry[@id='two']/source" targetPointer="../target[@id=$targetTwoParam]"/>
 </its:rules>