<type_roles>
  <role id='Assignor'>
   <property id='title'>Group company</property>
   <multi_property id='category'>group/company</multi_property>
   <multi_property id='base_category'>group</multi_property>
  </role>
  <role id='Assignee'>
   <property id='title'>Shadow User</property>
   <property id='condition'>python: here.getDestinationSection('', portal_type='Person') != ''</property>
   <property id='base_category_script'>PayzenEventType_getSecurityCategoryFromUser</property>
   <multi_property id='base_category'>aggregate</multi_property>
  </role>
</type_roles>