<?xml version="1.0"?>
<tree>
    <field name="code"/>
    <field name="description"/>
    <field name="type"/>
    <field name="client"/>
    <field name="start_date"/>
    <field name="end_date"/>
    <field name="storage_time"/>
    <field name="external_quality_control"/>
    <field name="comments"/>
</tree>
