suite/connector_amazon_sp/views/amazon_sale_views.xml

<?xml version="1.0" encoding="UTF-8" ?>
<odoo>

    <record id="view_order_form" model="ir.ui.view">
        <field name="name">sale.order.form.inherit.amazon_sp</field>
        <field name="model">sale.order</field>
        <field name="inherit_id" ref="sale.view_order_form"/>
        <field name="arch" type="xml">
            <xpath expr="//notebook" position="inside">
                <field name="is_amazon_order" invisible="1"/>
                <field name="amazon_bind_id" invisible="1"/>
                <page string="Amazon SP Information" attrs="{'invisible': ['|', ('is_amazon_order', '=', True), ('amazon_bind_id', '=', False)]}">
                    <group>
                        <group>
                            <field name="fulfillment_channel"/>
                            <field name="total_amount" string="Amazon Total" widget="monetary"/>
                            <field name="ship_service_level"/>
                            <field name="ship_service_level_category"/>
                            <field name="marketplace"/>
                            <field name="order_type"/>
                            <field name="is_business_order"/>
                            <field name="is_global_express_enabled"/>
                            <field name="is_premium"/>
                            <field name="is_sold_by_ab"/>
                        </group>
                    </group>
                </page>
            </xpath>
        </field>
    </record>

    <record id="view_amazon_order_tree" model="ir.ui.view">
        <field name="name">amazon.sale.order.tree</field>
        <field name="model">amazon.sale.order</field>
        <field name="arch" type="xml">
            <tree string="Amazon SP Sales Orders" decoration-danger="abs(total_amount-amount_total)>0.01" decoration-bf="message_needaction==True" decoration-muted="state=='cancel'">
                <field name="message_needaction" invisible="1"/>
                <field name="name" string="Order Number"/>
                <field name="fulfillment_channel"/>
                <field name="is_prime"/>
                <field name="effective_date"/>
                <field name="date_planned"/>
                <field name="requested_date"/>
                <field name="confirmation_date"/>
                <field name="amount_total" sum="Total Tax Included" widget="monetary"/>
                <field name="total_amount" sum="Amazon Total Tax Included" widget="monetary" string="Amazon Total"/>
                <field name="currency_id" invisible="1"/>
                <field name="invoice_status"/>
                <field name="state" invisible="1"/>
            </tree>
        </field>
    </record>

    <record id="view_amazon_order_form" model="ir.ui.view">
        <field name="name">amazon.sale.order.form</field>
        <field name="model">amazon.sale.order</field>
        <field name="inherit_id" ref="sale.view_order_form"/>
        <field name="mode">primary</field>
        <field name="arch" type="xml">
            <xpath expr="//header" position="replace">
                <header>
                    <button name="action_confirm" id="action_confirm" string="Confirm Sale" class="btn-primary" type="object" attrs="{'invisible': [('state', 'not in', ['draft', 'sent'])]}"/>
                    <button name="action_cancel" states="draft,sent,sale" type="object" string="Cancel"/>
                    <button name="action_draft" states="cancel" type="object" string="Set to Quotation"/>
                    <button name="action_unlock" type="object" string="Unlock" states="done" groups="sales_team.group_sale_manager"/>
                    <field name="state" widget="statusbar" statusbar_visible="draft,sent,sale"/>
                </header>
            </xpath>
            <xpath expr="//sheet/group/group[1]" position="inside">
                <field name="fulfillment_channel"/>
                <field name="is_prime"/>
                <field name="is_business_order"/>
                <field name="is_global_express_enabled"/>
                <field name="is_premium"/>
                <field name="is_sold_by_ab"/>
            </xpath>
            <xpath expr="//sheet/group/group[2]" position="inside">
                <field name="ship_service_level"/>
                <field name="ship_service_level_category"/>
                <field name="marketplace"/>
                <field name="order_type"/>
            </xpath>
            <xpath expr="//field[@name='amount_total']" position="after">
                <field name="total_amount" string="Amazon Total" widget="monetary"/>
            </xpath>
        </field>
    </record>

    <record id="action_amazon_orders" model="ir.actions.act_window">
        <field name="name">Amazon SP Orders</field>
        <field name="res_model">amazon.sale.order</field>
        <field name="view_type">form</field>
        <field name="view_mode">tree,form</field>
        <field name="view_id" ref="view_amazon_order_tree"/>
    </record>

    <menuitem id="menu_amazon_sale_order"
        name="Orders"
        action="action_amazon_orders"
        parent="amazon_sale_order_menu"
        sequence="2" groups="sales_team.group_sale_salesman"/>

</odoo>