<?xml version="1.0" encoding="UTF-8"?><!--  test that we can use any ecmascript expression as a value expression. 
In this case, we just test that we can assign
a function to a variable and then call it.  --><scxml xmlns="http://www.w3.org/2005/07/scxml" xmlns:conf="http://www.w3.org/2005/scxml-conformance" datamodel="ecmascript" version="1.0">
 <datamodel>
   <data id="var1" expr="function(invar) {return invar + 1;}"/>
   </datamodel>

<state id="s0">
  <onentry>
   <raise event="event1"/>
   </onentry>
<!-- test that we can call the function -->  
   <transition event="event1" cond="var1(2) == 3" target="pass"/>
   <transition event="*" 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>