<action>                                                                                                         
    <field name="string">Payment Invoice</field>
    <field name="view_cls">multi_view</field>                                                                        
    <field name="model">clinic.invoice.payment</field>
    <field name="menu">account_menu</field>                                                                  
    <field name="tabs">[
        ["All",[]],
        ["Draft",[["state","=","draft"]]],
        ["Approved",[["state","=","approved"]]],
        ["Waiting Approval",[["state","=","waiting_approve"]]],
        ["Completed",[["state","=","done"]]]
        ]</field>
</action>