GOLEM/golem_mail_activity_registration/views/golem_mail_activity_views.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright 2018 Youssef El Ouahby <youssef@yaltik.com>
Copyright 2018 Fabien Bourgeois <fabien@yaltik.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->
<odoo>
  <data>
    <!-- golem activity form adaptations -->
    <record id="golem_activity_form_inherit_golem_mail_activity_registration"
      model="ir.ui.view">
      <field name="name">Golem Activity form adaptations golem mail activity registration</field>
      <field name="model">golem.activity</field>
      <field name="inherit_id" ref="golem_activity.golem_activity_form"/>
      <field name="arch" type="xml">
        <sheet position="before">
          <header>
            <button name="activity_members_mass_mailing" string="Activity members mass mailing"
              type="object" class="oe_highlight"/>
          </header>
        </sheet>
      </field>
    </record>
    <!-- Activity members mass mailing action-->
    <record id="action_activity_members_mass_mailing" model="ir.actions.server">
      <field name="name">Activity members mass mailing</field>
        <field name="model_id" ref="golem_activity.model_golem_activity"/>
        <field name="state">code</field>
        <field name="code">
action = records.get_mass_mailing_action('members')
        </field>
      </record>
      <record id="ir_activity_members_mass_mailing" model="ir.values">
        <field name="key2" eval="'client_action_multi'" />
        <field name="model" eval="'golem.activity'" />
        <field name="name">Family Members mass mailing</field>
        <field name="value"
          eval="'ir.actions.server,%d'%action_activity_members_mass_mailing" />
    </record>

    <!-- Activity animators mass mailing action-->
    <record id="action_activity_animators_mass_mailing" model="ir.actions.server">
      <field name="name">Activity animators mass mailing</field>
        <field name="model_id" ref="golem_activity.model_golem_activity"/>
        <field name="state">code</field>
        <field name="code">
action = records.get_mass_mailing_action('animators')
        </field>
      </record>
      <record id="ir_activity_animators_mass_mailing" model="ir.values">
        <field name="key2" eval="'client_action_multi'" />
        <field name="model" eval="'golem.activity'" />
        <field name="name">Activity animators mass mailing</field>
        <field name="value"
          eval="'ir.actions.server,%d'%action_activity_animators_mass_mailing" />
    </record>
  </data>
</odoo>