<?xml version="1.0" encoding="UTF-8"?><!-- we test that <param> uses the current value of var1, not its initial value.  If the value of
aParam in event1 is 2 so that var2 gets set to 2, success, otherwise failure  --><scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" initial="s0" version="1.0" datamodel="ecmascript">
<datamodel>
  <data id="Var1" expr="1"/>
  <data id="Var2"/>
  </datamodel>
  
<state id="s0">
  <onentry>
   <assign location="Var1" expr="2"/>
   <send event="event1">
     <param name="aParam" expr="Var1"/>
     </send>
    </onentry>
    
  <transition event="event1" target="s1">
  <assign location="Var2" expr="_event.data.aParam"/>
  </transition>
  <transition event="*" target="fail"/>
 </state>

<state id="s1">
  <transition cond="Var2==2" target="pass"/>
  <transition target="fail"/>
  </state>
     
   <final id="pass"><onentry><log label="Outcome" expr="'pass'"/></onentry></final>
   <final id="fail"><onentry><log label="Outcome" expr="'fail'"/></onentry></final>

</scxml>