diff --git a/mass_mailing_custom_unsubscribe_event/README.rst b/mass_mailing_custom_unsubscribe_event/README.rst
index 10ecb4314..64fac68d2 100644
--- a/mass_mailing_custom_unsubscribe_event/README.rst
+++ b/mass_mailing_custom_unsubscribe_event/README.rst
@@ -14,13 +14,13 @@ Allow to unsubscribe discretely from an event
     :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
     :alt: License: AGPL-3
 .. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github
-    :target: https://github.com/OCA/social/tree/12.0/mass_mailing_custom_unsubscribe_event
+    :target: https://github.com/OCA/social/tree/13.0/mass_mailing_custom_unsubscribe_event
     :alt: OCA/social
 .. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
-    :target: https://translation.odoo-community.org/projects/social-12-0/social-12-0-mass_mailing_custom_unsubscribe_event
+    :target: https://translation.odoo-community.org/projects/social-13-0/social-13-0-mass_mailing_custom_unsubscribe_event
     :alt: Translate me on Weblate
 .. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
-    :target: https://runbot.odoo-community.org/runbot/205/12.0
+    :target: https://runbot.odoo-community.org/runbot/205/13.0
     :alt: Try me on Runbot
 
 |badge1| |badge2| |badge3| |badge4| |badge5| 
@@ -54,7 +54,7 @@ Bug Tracker
 Bugs are tracked on `GitHub Issues <https://github.com/OCA/social/issues>`_.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us smashing it by providing a detailed and welcomed
-`feedback <https://github.com/OCA/social/issues/new?body=module:%20mass_mailing_custom_unsubscribe_event%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+`feedback <https://github.com/OCA/social/issues/new?body=module:%20mass_mailing_custom_unsubscribe_event%0Aversion:%2013.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
 
 Do not contact contributors directly about support or help with technical issues.
 
@@ -72,6 +72,7 @@ Contributors
 * `Tecnativa <https://www.tecnativa.com>`_:
 
   * Pedro M. Baeza
+  * João Marques
 
 Maintainers
 ~~~~~~~~~~~
@@ -86,6 +87,6 @@ OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.
 
-This module is part of the `OCA/social <https://github.com/OCA/social/tree/12.0/mass_mailing_custom_unsubscribe_event>`_ project on GitHub.
+This module is part of the `OCA/social <https://github.com/OCA/social/tree/13.0/mass_mailing_custom_unsubscribe_event>`_ project on GitHub.
 
 You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/mass_mailing_custom_unsubscribe_event/__manifest__.py b/mass_mailing_custom_unsubscribe_event/__manifest__.py
index a05202809..c36e0dd93 100644
--- a/mass_mailing_custom_unsubscribe_event/__manifest__.py
+++ b/mass_mailing_custom_unsubscribe_event/__manifest__.py
@@ -1,13 +1,15 @@
 # Copyright 2020 Tecnativa - Pedro M. Baeza
+# Copyright 2020 Tecnativa - João Marques
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 {
     "name": "Allow to unsubscribe discretely from an event",
     "category": "Marketing",
-    "version": "12.0.1.0.1",
+    "version": "13.0.1.0.0",
     "depends": ["event", "mass_mailing_custom_unsubscribe"],
     "author": "Tecnativa, Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/social",
     "data": ["views/event_registration_views.xml"],
+    "demo": ["demo/assets.xml"],
     "license": "AGPL-3",
     "installable": True,
     "auto_install": True,
diff --git a/mass_mailing_custom_unsubscribe_event/demo/assets.xml b/mass_mailing_custom_unsubscribe_event/demo/assets.xml
new file mode 100644
index 000000000..c52ea4c61
--- /dev/null
+++ b/mass_mailing_custom_unsubscribe_event/demo/assets.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2020 Tecnativa - João Marques
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+
+<template id="assets_frontend_demo" inherit_id="web.assets_frontend">
+    <xpath expr=".">
+        <script
+                type="text/javascript"
+                src="/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js"
+            />
+    </xpath>
+</template>
+
+</odoo>
diff --git a/mass_mailing_custom_unsubscribe_event/i18n/mass_mailing_custom_unsubscribe_event.pot b/mass_mailing_custom_unsubscribe_event/i18n/mass_mailing_custom_unsubscribe_event.pot
index 829e503c2..e0bbb2f1a 100644
--- a/mass_mailing_custom_unsubscribe_event/i18n/mass_mailing_custom_unsubscribe_event.pot
+++ b/mass_mailing_custom_unsubscribe_event/i18n/mass_mailing_custom_unsubscribe_event.pot
@@ -1,12 +1,12 @@
 # Translation of Odoo Server.
 # This file contains the translation of the following modules:
-#	* mass_mailing_custom_unsubscribe_event
+# 	* mass_mailing_custom_unsubscribe_event
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: Odoo Server 12.0\n"
+"Project-Id-Version: Odoo Server 13.0\n"
 "Report-Msgid-Bugs-To: \n"
-"Last-Translator: <>\n"
+"Last-Translator: \n"
 "Language-Team: \n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
@@ -20,11 +20,12 @@ msgstr ""
 
 #. module: mass_mailing_custom_unsubscribe_event
 #: model:ir.model.fields,help:mass_mailing_custom_unsubscribe_event.field_event_registration__opt_out
-msgid "If opt-out is checked, this registree has refused to receive emails for mass mailing and marketing campaign."
+msgid ""
+"If opt-out is checked, this registree has refused to receive emails for mass"
+" mailing and marketing campaign."
 msgstr ""
 
 #. module: mass_mailing_custom_unsubscribe_event
 #: model:ir.model.fields,field_description:mass_mailing_custom_unsubscribe_event.field_event_registration__opt_out
 msgid "Opt-Out"
 msgstr ""
-
diff --git a/mass_mailing_custom_unsubscribe_event/readme/CONTRIBUTORS.rst b/mass_mailing_custom_unsubscribe_event/readme/CONTRIBUTORS.rst
index 2d4d7a884..769b9f27a 100644
--- a/mass_mailing_custom_unsubscribe_event/readme/CONTRIBUTORS.rst
+++ b/mass_mailing_custom_unsubscribe_event/readme/CONTRIBUTORS.rst
@@ -1,3 +1,4 @@
 * `Tecnativa <https://www.tecnativa.com>`_:
 
   * Pedro M. Baeza
+  * João Marques
diff --git a/mass_mailing_custom_unsubscribe_event/static/description/index.html b/mass_mailing_custom_unsubscribe_event/static/description/index.html
index 66899cbe1..221a55237 100644
--- a/mass_mailing_custom_unsubscribe_event/static/description/index.html
+++ b/mass_mailing_custom_unsubscribe_event/static/description/index.html
@@ -367,7 +367,7 @@ ul.auto-toc {
 !! This file is generated by oca-gen-addon-readme !!
 !! changes will be overwritten.                   !!
 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
-<p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/social/tree/12.0/mass_mailing_custom_unsubscribe_event"><img alt="OCA/social" src="https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/social-12-0/social-12-0-mass_mailing_custom_unsubscribe_event"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/205/12.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
+<p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/social/tree/13.0/mass_mailing_custom_unsubscribe_event"><img alt="OCA/social" src="https://img.shields.io/badge/github-OCA%2Fsocial-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/social-13-0/social-13-0-mass_mailing_custom_unsubscribe_event"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/205/13.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
 <p>This addon extends the unsubscription process for allowing to unsubscribe
 only for an event.</p>
 <p>Standard process includes the mail in the general blacklist instead, which
@@ -403,7 +403,7 @@ receive mailings.</li>
 <p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/social/issues">GitHub Issues</a>.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us smashing it by providing a detailed and welcomed
-<a class="reference external" href="https://github.com/OCA/social/issues/new?body=module:%20mass_mailing_custom_unsubscribe_event%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<a class="reference external" href="https://github.com/OCA/social/issues/new?body=module:%20mass_mailing_custom_unsubscribe_event%0Aversion:%2013.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
 <p>Do not contact contributors directly about support or help with technical issues.</p>
 </div>
 <div class="section" id="credits">
@@ -419,6 +419,7 @@ If you spotted it first, help us smashing it by providing a detailed and welcome
 <ul class="simple">
 <li><a class="reference external" href="https://www.tecnativa.com">Tecnativa</a>:<ul>
 <li>Pedro M. Baeza</li>
+<li>João Marques</li>
 </ul>
 </li>
 </ul>
@@ -430,7 +431,7 @@ If you spotted it first, help us smashing it by providing a detailed and welcome
 <p>OCA, or the Odoo Community Association, is a nonprofit organization whose
 mission is to support the collaborative development of Odoo features and
 promote its widespread use.</p>
-<p>This module is part of the <a class="reference external" href="https://github.com/OCA/social/tree/12.0/mass_mailing_custom_unsubscribe_event">OCA/social</a> project on GitHub.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/social/tree/13.0/mass_mailing_custom_unsubscribe_event">OCA/social</a> project on GitHub.</p>
 <p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
 </div>
 </div>
diff --git a/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js b/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js
new file mode 100644
index 000000000..3149fa9b6
--- /dev/null
+++ b/mass_mailing_custom_unsubscribe_event/static/src/js/tour.js
@@ -0,0 +1,45 @@
+/* Copyright 2020 Tecnativa - João Marques
+ * License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). */
+odoo.define("mass_mailing_custom_unsubscribe_event.tour", function(require) {
+    "use strict";
+    var base = require("web_editor.base");
+    var tour = require("web_tour.tour");
+
+    // Allow to know if an element is required
+    $.extend($.expr[":"], {
+        propRequired: function(element) {
+            return $(element).prop("required");
+        },
+    });
+
+    tour.register(
+        "mass_mailing_custom_unsubscribe_event_tour",
+        {
+            test: true,
+            wait_for: base.ready(),
+        },
+        [
+            {
+                content: "Choose other reason",
+                trigger: ".radio:contains('Other reason') :radio:not(:checked)",
+                extra_trigger: "#reason_form #custom_div_feedback",
+            },
+            {
+                content: "Switch to not interested reason",
+                trigger: '.radio:contains("I\'m not interested") :radio:not(:checked)',
+                extra_trigger: "[name='details']:propRequired",
+            },
+            {
+                content: "Unsubscribe",
+                trigger: "#reason_form button:submit",
+                extra_trigger: "body:not(:has([name='details']:propRequired))",
+            },
+            {
+                content: "Successfully unsubscribed",
+                trigger:
+                    "body:not(:has(#reason_form)) #subscription_info " +
+                    ":contains('successfully unsubscribed')",
+            },
+        ]
+    );
+});
diff --git a/mass_mailing_custom_unsubscribe_event/tests/__init__.py b/mass_mailing_custom_unsubscribe_event/tests/__init__.py
new file mode 100644
index 000000000..d88d3b1a1
--- /dev/null
+++ b/mass_mailing_custom_unsubscribe_event/tests/__init__.py
@@ -0,0 +1,4 @@
+# Copyright 2020 Tecnativa - João Marques
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import test_ui
diff --git a/mass_mailing_custom_unsubscribe_event/tests/test_ui.py b/mass_mailing_custom_unsubscribe_event/tests/test_ui.py
new file mode 100644
index 000000000..8b62418bd
--- /dev/null
+++ b/mass_mailing_custom_unsubscribe_event/tests/test_ui.py
@@ -0,0 +1,154 @@
+# Copyright 2020 Tecnativa - João Marques
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+import mock
+from werkzeug import urls
+
+from odoo.tests.common import HttpCase
+
+
+class UICase(HttpCase):
+    def extract_url(self, mail, *args, **kwargs):
+        url = mail._get_unsubscribe_url(self.email)
+        self.assertTrue(urls.url_parse(url).decode_query().get("token"))
+        self.assertTrue(url.startswith(self.domain))
+        self.url = url.replace(self.domain, "", 1)
+        return True
+
+    def setUp(self):
+        super(UICase, self).setUp()
+        self.email = "test.contact@example.com"
+        self.mail_postprocess_patch = mock.patch(
+            "odoo.addons.mass_mailing.models.mail_mail.MailMail."
+            "_postprocess_sent_message",
+            autospec=True,
+            side_effect=self.extract_url,
+        )
+
+        self.domain = self.env["ir.config_parameter"].get_param("web.base.url")
+
+        self.partner = self.env["res.partner"].create(
+            {"name": "Demo Partner <%s>" % self.email, "email": self.email}
+        )
+
+        self.event_1 = self.env["event.event"].create(
+            {
+                "name": "test_event_2",
+                "event_type_id": 1,
+                "date_end": "2012-01-01 19:05:15",
+                "date_begin": "2012-01-01 18:05:15",
+            }
+        )
+        self.event_2 = self.env["event.event"].create(
+            {
+                "name": "test_event_2",
+                "event_type_id": 1,
+                "date_end": "2012-01-01 19:05:15",
+                "date_begin": "2012-01-01 18:05:15",
+            }
+        )
+        self.event_registration_1 = self.env["event.registration"].create(
+            {
+                "name": "test_registration_1",
+                "event_id": self.event_1.id,
+                "email": self.email,
+                "partner_id": self.partner.id,
+            }
+        )
+        self.event_registration_2 = self.env["event.registration"].create(
+            {
+                "name": "test_registration_2",
+                "event_id": self.event_2.id,
+                "email": self.email,
+                "partner_id": self.partner.id,
+            }
+        )
+
+        self.mailing_1 = self.env["mailing.mailing"].create(
+            {
+                "name": "test_mailing_1",
+                "mailing_model_id": self.env.ref("event.model_event_registration").id,
+                "mailing_domain": "[['id','=',%s]]" % self.event_registration_1.id,
+                "reply_to_mode": "email",
+                "subject": "Test 1",
+            }
+        )
+        self.mailing_1._onchange_model_and_list()
+        # HACK https://github.com/odoo/odoo/pull/14429
+        self.mailing_1.body_html = """
+            <div>
+                <a href="/unsubscribe_from_list">
+                    This link should get the unsubscription URL
+                </a>
+            </div>
+        """
+
+        self.mailing_2 = self.env["mailing.mailing"].create(
+            {
+                "name": "test_mailing_2",
+                "mailing_model_id": self.env.ref("event.model_event_registration").id,
+                "mailing_domain": "[['id','=',%s]]" % self.event_registration_2.id,
+                "reply_to_mode": "email",
+                "subject": "Test 2",
+            }
+        )
+        self.mailing_2._onchange_model_and_list()
+        # HACK https://github.com/odoo/odoo/pull/14429
+        self.mailing_2.body_html = """
+            <div>
+                <a href="/unsubscribe_from_list">
+                    This link should get the unsubscription URL
+                </a>
+            </div>
+        """
+
+    def tearDown(self):
+        del (
+            self.email,
+            self.event_1,
+            self.event_2,
+            self.event_registration_1,
+            self.event_registration_2,
+            self.mailing_1,
+            self.mailing_2,
+            self.partner,
+            self.url,
+        )
+        super(UICase, self).tearDown()
+
+    def test_unsubscription_event_1(self):
+        """Test a mass mailing contact that wants to unsubscribe."""
+        # Extract the unsubscription link from the message body
+        with self.mail_postprocess_patch:
+            self.mailing_1.action_send_mail()
+
+        tour = "mass_mailing_custom_unsubscribe_event_tour"
+        self.start_tour(url_path=self.url, tour_name=tour, login="demo")
+
+        # Check results from running tour
+        # User should be opted out from event 1 mailing list
+        self.assertTrue(self.event_registration_1.opt_out)
+        # User should not be opted out from event 2 mailing list
+        self.assertFalse(self.event_registration_2.opt_out)
+
+        reason_xid = "mass_mailing_custom_unsubscribe.reason_not_interested"
+        unsubscriptions = self.env["mail.unsubscription"].search(
+            [
+                ("action", "=", "unsubscription"),
+                ("mass_mailing_id", "=", self.mailing_1.id),
+                ("email", "=", self.email),
+                (
+                    "unsubscriber_id",
+                    "=",
+                    "event.registration,%d" % self.event_registration_1.id,
+                ),
+                ("details", "=", False),
+                ("reason_id", "=", self.env.ref(reason_xid).id),
+            ]
+        )
+        # Unsubscription record must exist
+        self.assertEqual(1, len(unsubscriptions))
+
+        self.mailing_2.action_send_mail()
+
+        # Mail to user must have been sent
+        self.assertEqual(1, self.mailing_2.sent)
diff --git a/mass_mailing_custom_unsubscribe_event/views/event_registration_views.xml b/mass_mailing_custom_unsubscribe_event/views/event_registration_views.xml
index e754a1d33..a637637e0 100644
--- a/mass_mailing_custom_unsubscribe_event/views/event_registration_views.xml
+++ b/mass_mailing_custom_unsubscribe_event/views/event_registration_views.xml
@@ -1,13 +1,12 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8" ?>
 <!-- Copyright 2020 Tecnativa - Pedro M. Baeza
      License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
-
 <odoo>
 
     <record id="view_event_registration_form" model="ir.ui.view">
         <field name="name">event.registration.form - Add opt_out</field>
         <field name="model">event.registration</field>
-        <field name="inherit_id" ref="event.view_event_registration_form"/>
+        <field name="inherit_id" ref="event.view_event_registration_form" />
         <field name="arch" type="xml">
             <field name="email" position="after">
                 <field name="opt_out" />