<?xml version="1.0"?>
<tree string="Companies" sample="1">
                    <field name="display_name"/>
                    <field name="company_id" groups="base.group_multi_company"/>
                    <field name="company_id" invisible="1"/>
                    <field name="manager_id"/>
                    <field name="total_employee" string="Employees"/>
                    <field name="parent_id"/>
                </tree>
            