To pass in a process variable to a delegation class(ActionHandler) as  a 
config-type field, can I use the following,

  <node name="Execute Software">
  |       <action class="MyActionHandler">
  |          <myvar><variable name="software pk" 
access="read"></variable></myvar>
  |          <cargs>dummy</cargs>
  |       </action>
  |       <transition name="end" to="end1"></transition>
  |    </node>

or using expression the only way,

  <node name="Execute Software">
  |       <action class="MyActionHandler">
  |          <myvar>#{contextInstance.getVariable("software pk", token)}</myvar>
  |          <cargs>dummy</cargs>
  |       </action>
  |       <transition name="end" to="end1"></transition>
  |    </node>


Also is it possible for my action handler to set a process variable without 
having to write it explicitly in the handler.execute(context) method?

I'm trying to write action handlers so they do not refer to process variables 
in the code but to just bind to the process variables in processdefinition.xml

Thanks,


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