expense_menu/views/expense.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <!-- Proveedor -->
        <!-- Registrar gastos -->
        <record id="action_expense" model="ir.actions.act_window">
            <field name="name">Registrar Gastos</field>
            <field name="type">ir.actions.act_window</field>
            <field name="res_model">account.invoice</field>
            <field name="view_type">form</field>
            <field name="view_id" ref="account.invoice_tree"/>
            <field name="view_mode">tree,form,calendar,graph</field>
            <field name="context">{'default_type': 'in_invoice', 'type': 'in_invoice', 'journal_type': 'purchase'}</field>
            <field name="domain">['|',('origin', 'ilike', 'AA'),('origin', '=', False),('type', '=', 'in_invoice')]</field>
            <field name="search_view_id" ref="account.view_account_invoice_filter"/>
        </record>

        <menuitem id="menu_expense"
                action="action_expense" parent="purchase.menu_procurement_management"
                sequence="10"/>

    </data>
</openerp>