security/ir_rule.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
   2 <openerp>
   3     <data>
   4         <record id="hr_expense.property_rule_expense_employee" model="ir.rule">
   5             <field name="groups" eval="[(4,ref('group_volunteer'))]"/>
   6         </record>
   7     </data>
   8 </openerp>