RE: [wsbpel] Issue - 2 - Subfunctions and XPATHS

<switch>
         <case>
            <condition>
               <function functionName="IsAddOne">
                  <parameter variable="mathProblem" property="problemType"/>
               </function>
            </condition>
            <function functionName="AddOne">
               <parameter variable="mathProblem"/>
               <parameter partnerLink="mathStudent"/>
            </function>
         </case>
         <otherwise>