Example for VerifyPartner Activity

<Activity Name="VerifyPartner">
<Start/>
  <Action>VerifyPartner</Action>
  <Execution>SYNCHR</Execution>
  <Parameter direction="in" name="InDocument" type="document"    eval="variable">inDoc</Parameter>
  <Parameter direction="in" name="Domain" type="string"    eval="xpath"    source="//Message/Header/MessageHeader[@role='Trading       Partner']/Credentia   l/@domain">inDoc</Parameter>
  <Parameter direction="in" name="BuyerKey" type="string"    eval="xpath"    source="//Message/Header/MessageHeader[@role='Trading       Partner']/Credentia   l/Identity/text()">inDoc</Parameter>
  <Parameter direction="out" name="BuyerFound" type="boolean"    eval="variable">BuyerFound</Parameter>
  <Parameter direction="out" name="OutDocument" type="document"    eval="variable">buyerDoc</Parameter>
</Activity>