<workflow_chain>
 <chain>
  <type>Payment Transaction</type>
  <workflow>payzen_interface_workflow</workflow>
 </chain>
 <chain>
  <type>Payzen Event</type>
  <workflow>edit_workflow, payzen_interface_workflow, system_event_workflow</workflow>
 </chain>
 <chain>
  <type>Payzen Event Message</type>
  <workflow>edit_workflow</workflow>
 </chain>
</workflow_chain>