Flow

• The <flow> construct allows you to specify one or more activities to be performed concurrently.

<flow standard-attributes>
  standard-elements
  <links>?
    <link name="ncname">+
  </links>
  activity+
</flow>

<!-- for example -->
<flow>
  <links>
    <link name="XtoY"/>
    <link name="CtoD"/>
  </links>
  <sequence name="X">
     <source linkName="XtoY"/>
     <invoke name="A" .../>
     <invoke name="B" .../>
  </sequence>
  <sequence name"Y">
     <target linkName="XtoY"/>
     <receive name="C" ...>
       <source linkName="CtoD"/>
     </receive>
     <invoke name="E" .../>
  </sequence>
  <invoke partnerLink="D" ...>
    <target linkName="CtoD"/>
  </invoke>
</flow>