EVOLUTION-MANAGER

Edit File: pos_restaurent_view.xml

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE xml>
<odoo>

<record id="view_hotelfolio2_form2_inherited" model="ir.ui.view">
        <field name="name">hotel.folio2.form2.inherited</field>
        <field name="model">hotel.folio</field>
        <field name="inherit_id" ref="hotel.view_hotel_folio1_form" />
        <field name="arch" type="xml">
            <xpath expr="//form/sheet/notebook/page[@name='foreign exchange']"
                position="after">
                <page string="POS Restaurant">
                    <separator string="POS Orders Details" colspan="4" />
                    <field name="folio_pos_order_ids" colspan="4" nolabel="1">
                        <tree
                            colors="blue:state == 'draft';gray:state in ('done','cancel');black:state not in('done','cancel')">
                            <field name="date_order" />
                            <field name="name" />
                            <field name="session_id" />
                            <field name="invoice_id" />
                            <field name="user_id" />
                            <field name="state" />
                            <field name="amount_total" sum="Amount total" />
                        </tree>
                    </field>
                </page>
            </xpath>
        </field>
    </record>

</odoo>