<workflow_chain>
 <chain>
  <type>Hosting Subscription</type>
  <workflow>edit_workflow, hosting_subscription_workflow</workflow>
 </chain>
 <chain>
  <type>Purchase Packing List</type>
  <workflow>vifib_open_order_interaction_workflow</workflow>
 </chain>
 <chain>
  <type>Sale Order</type>
  <workflow>vifib_open_order_interaction_workflow</workflow>
 </chain>
</workflow_chain>