<action>                                                                                                         
    <field name="string">Visit Board</field>
    <field name="view_cls">report</field>                                                                        
    <field name="model">clinic.visit.board</field>
    <field name="report_template">visit_board</field>                                                      
    <field name="report_template_xls">visit_board</field>                                                         
    <field name="menu">clinic_menu</field>                                                                  
</action>