Issue - R46 - Named message elements

<pick name="WaitForBidOrReferral">
 <onMessage name="processBid" ...>
   <scope>
     <eventHandlers>
       <onEvent name="statusRequest" ...>
       ...
       </onEvent>
     </eventHandlers>
     ...
   </scope>
 </onMessage>
 <onMessage name="processReferral" ...>
   ...
 </onMessage>
 <onAlarm name="timeout">
   <for>PT1H</for>
   ...
 </onAlarm>
</pick>