<?xml version="1.0"?>
<list string="Trackings" editable="top" delete="0" sample="1">
                <field name="tracking_date" string="Date"/>
                <field name="origin_ref" options="{'no_create': True}" required="1"/>
                <field name="reason"/>
                <field name="user_id" widget="many2one_avatar_user" string="Karma Owner" readonly="id"/>
                <field name="old_value" string="Previous Total" optional="hidden"/>
                <field name="gain" readonly="id"/>
                <field name="new_value" string="Total" optional="show" readonly="1"/>
            </list>
        