<type_roles>
  <role id='Assignor'>
   <property id='title'>Computer</property>
   <property id='description'>Monovalued role</property>
   <property id='base_category_script'>ERP5Type_getSecurityCategoryFromMovementItem</property>
   <multi_property id='base_category'>aggregate</multi_property>
  </role>
  <role id='Assignee'>
   <property id='title'>Destination Decision</property>
   <property id='description'>Monovalued role</property>
   <property id='base_category_script'>ERP5Type_getSecurityCategoryFromContent</property>
   <multi_property id='base_category'>destination_decision</multi_property>
  </role>
</type_roles>