General Structure

<process name="ncname" targetNamespace="uri" 
         queryLanguage="anyURI"?
         expressionLanguage="anyURI"?
         suppressJoinFailure="yes|no"?
         enableInstanceCompensation="yes|no"?
         abstractProcess="yes|no"?
         xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/">

  <partnerLinks>?
    <!-- Note: At least one role must be specified. -->
    <partnerLink name="ncname" partnerLinkType="qname" 
             myRole="ncname"? partnerRole="ncname"?>+
    </partnerLink>
  </partnerLinks>

  <partners>?
     <partner name="ncname">+
      <partnerLink name="ncname"/>+
   </partner>
  </partners>

  <variables>?
    <variable name="ncname" messageType="qname"?
                type="qname"? element="qname"?/>+ 
  </variables>

  <correlationSets>?
    <correlationSet name="ncname" properties="qname-list"/>+
  </correlationSets>

  <faultHandlers>?
    <!-- Note: There must be at least one fault handler or default. -->
    <catch faultName="qname"? faultVariable="ncname"?>*
      activity
    </catch>
    <catchAll>?
      activity
    </catchAll>
  </faultHandlers>

  <compensationHandler>?
    activity
  </compensationHandler>

  <eventHandlers>?
    <!-- Note: There must be at least one onMessage or onAlarm handler. -->
    <onMessage partnerLink="ncname" portType="qname"
               operation="ncname" variable="ncname"?>
      <correlations>?
        <correlation set="ncname" initiate="yes|no"?>+
      <correlations>
      activity
    </onMessage>
    <onAlarm for="duration-expr"? until="deadline-expr"?>*
      activity
    </onAlarm>
  </eventHandlers>
    
  activity
</process>

• Where activity can be any one of:
  • <receive>
  • <reply>
  • <invoke>
  • <assign>
  • <throw>
  • <terminate>
  • <wait>
  • <empty>
  • <sequence>
  • <switch>
  • <while>
  • <pick>
  • <flow>
  • <scope>
  • <compensate>