<?xml version="1.0"?>
<form string="Send a Sample Mail">
                    <group>
                        <field name="mailing_list_id" options="{'no_create_edit': True, 'no_open': True}"/>
                        <field name="contact_ids" invisible="1"/>
                    </group>
                    <footer>
                        <button string="Add" name="action_add_contacts" type="object" class="btn-primary" data-hotkey="q"/>
                        <button string="Add and Send Mailing" name="action_add_contacts_and_send_mailing" type="object" class="btn-primary" data-hotkey="w"/>
                        <button string="Cancel" class="btn-secondary" special="cancel" data-hotkey="z"/>
                    </footer>
                </form>
            