<data><xpath expr="/pivot" position="inside">
                    <field name="user_ids" type="row"/>
                </xpath>
                <xpath expr="//field[@name='project_id']" position="after">
                    <field name="stage_id" type="col"/>
                </xpath>
                <xpath expr="//field[@name='project_id']" position="attributes">
                    <attribute name="invisible">True</attribute>
                </xpath>
            </data>