public/directive_test/views/project_task_views.xml

<odoo>
    <record id="project_task_form_directives_inherit" model="ir.ui.view">
        <field name="name">project.task.form.directives.inherit</field>
        <field name="model">project.task</field>
        <field name="inherit_id" ref="project.view_task_form2"/>
        <field name="arch" type="xml">

            <xpath expr="//form/header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>

            <xpath expr="//form/sheet/div[@class='oe_button_box']" position="inside">
                <button
                    type="object"
                    name="action_open_directives"
                    class="oe_stat_button"
                    icon="fa-tasks"
                    string="Директивы"
                />
            </xpath>

            <xpath expr="//sheet" position="inside">
                <group string="Исполнение">
                    <field name="directive_execution_status" readonly="1"/>
                </group>
            </xpath>
        </field>
    </record>

    <record id="sale_order_form_directives_inherit" model="ir.ui.view">
        <field name="name">sale.order.form.directives.inherit</field>
        <field name="model">sale.order</field>
        <field name="inherit_id" ref="sale.view_order_form"/>
        <field name="arch" type="xml">

            <xpath expr="//form/header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>

            <xpath expr="//form/sheet/div[@class='oe_button_box']" position="inside">
                <button
                    type="object"
                    name="action_open_directives"
                    class="oe_stat_button"
                    icon="fa-tasks"
                    string="Директивы"
                />
            </xpath>

            <xpath expr="//sheet" position="inside">
                <group string="Исполнение">
                    <field name="directive_execution_status" readonly="1"/>
                </group>
            </xpath>
        </field>
    </record>

    <record id="account_move_form_directives_inherit" model="ir.ui.view">
        <field name="name">account.move.form.directives.inherit</field>
        <field name="model">account.move</field>
        <field name="inherit_id" ref="account.view_move_form"/>
        <field name="arch" type="xml">

            <xpath expr="//form/header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>

            <xpath expr="//form/sheet/div[@class='oe_button_box']" position="inside">
                <button
                    type="object"
                    name="action_open_directives"
                    class="oe_stat_button"
                    icon="fa-tasks"
                    string="Директивы"
                />
            </xpath>

            <xpath expr="//sheet" position="inside">
                <group string="Исполнение">
                    <field name="directive_execution_status" readonly="1"/>
                </group>
            </xpath>
        </field>
    </record>

    <record id="account_payment_form_directives_inherit" model="ir.ui.view">
        <field name="name">account.payment.form.directives.inherit</field>
        <field name="model">account.payment</field>
        <field name="inherit_id" ref="account.view_account_payment_form"/>
        <field name="arch" type="xml">

            <xpath expr="//form/header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>

            <xpath expr="//form/sheet/div[@class='oe_button_box']" position="inside">
                <button
                    type="object"
                    name="action_open_directives"
                    class="oe_stat_button"
                    icon="fa-tasks"
                    string="Директивы"
                />
            </xpath>

            <xpath expr="//sheet" position="inside">
                <group string="Исполнение">
                    <field name="directive_execution_status" readonly="1"/>
                </group>
            </xpath>
        </field>
    </record>

    <record id="stock_picking_form_directives_inherit" model="ir.ui.view">
        <field name="name">stock.picking.form.directives.inherit</field>
        <field name="model">stock.picking</field>
        <field name="inherit_id" ref="stock.view_picking_form"/>
        <field name="arch" type="xml">

            <xpath expr="//form/header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>

            <xpath expr="//form/sheet/div[@class='oe_button_box']" position="inside">
                <button
                    type="object"
                    name="action_open_directives"
                    class="oe_stat_button"
                    icon="fa-tasks"
                    string="Директивы"
                />
            </xpath>

            <xpath expr="//sheet" position="inside">
                <group string="Исполнение">
                    <field name="directive_execution_status" readonly="1"/>
                </group>
            </xpath>
        </field>
    </record>

    <record id="mrp_production_form_directives_inherit" model="ir.ui.view">
        <field name="name">mrp.production.form.directives.inherit</field>
        <field name="model">mrp.production</field>
        <field name="inherit_id" ref="mrp.mrp_production_form_view"/>
        <field name="arch" type="xml">
            <xpath expr="//header" position="inside">
                <button
                    string="Выбрать тип"
                    type="object"
                    name="action_choose_directive_group"
                    class="btn-primary"
                />
            </xpath>
        </field>
    </record>

    <record id="project_task_form_directive_demo" model="ir.ui.view">
        <field name="name">project.task.form.directive.demo</field>
        <field name="model">project.task</field>
        <field name="inherit_id" ref="project.view_task_form2"/>
        <field name="arch" type="xml">
            <xpath expr="//header" position="inside">
                <button
                    name="action_demo_directive_callback"
                    type="object"
                    string="Demo: Callback"
                    class="btn-primary"
                />
            </xpath>
        </field>
    </record>
</odoo>