<?xml version="1.0"?>
<data><xpath expr="/form/header" position="attributes">
                    <attribute name="invisible">1</attribute>
                </xpath>
                <field name="employee_id" position="attributes">
                    <attribute name="readonly">1</attribute>
                </field>
                <field name="company_id" position="attributes">
                    <attribute name="readonly">1</attribute>
                </field>
            </data>