odoo-tutorials/estate/views/estate_property_offer_views.xml

<?xml version="1.0"?>
<odoo>
    <record id="estate_property_offer_tree_view" model="ir.ui.view">
        <field name="name">estate.property.offer.tree</field>
        <field name="model">estate.property.offer</field>
        <field name="arch" type="xml">
            <tree string="Offers">
                <field name="price" />
                <field name="partner_id" />
                <field name="validity" />
                <field name="date_deadline" />
                <field name="status" />
            </tree>
        </field>
    </record>

    <record id="estate_property_view_form" model="ir.ui.view">
        <field name="name">estate.property.offer.form</field>
        <field name="model">estate.property.offer</field>
        <field name="arch" type="xml">
            <form>
                <sheet>
                    <field name="price" />
                    <field name="partner_id" />
                    <field name="validity" />
                    <field name="date_deadline" />
                    <field name="status" />
                </sheet>
            </form>
        </field>
    </record>
</odoo>