<?xml version="1.0"?>
<data><xpath expr="//tree" position="attributes">
                    <attribute name="js_class">forecast_list</attribute>
                </xpath>
                <xpath expr="//field[@name='expected_revenue']" position="attributes">
                    <attribute name="optional">hide</attribute>
                </xpath>
                <xpath expr="//field[@name='expected_revenue']" position="after">
                    <field name="prorated_revenue" sum="Prorated Revenues" optional="show" widget="monetary" options="{'currency_field': 'company_currency'}"/>
                </xpath>
            </data>