<?xml version="1.0"?>
<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
this repository contains the full copyright notices and license terms. -->
<tree sequence="sequence">
    <field name="price_list" expand="1"/>
    <field name="category" expand="1"/>
    <field name="product" expand="1"/>
    <field name="quantity"/>
    <field name="formula" expand="1" optional="0"/>
</tree>
