diff --git a/addons/mail/static/src/models/activity/activity.js b/addons/mail/static/src/models/activity/activity.js
index d30d9e6d1a6..b88c4b335d2 100644
--- a/addons/mail/static/src/models/activity/activity.js
+++ b/addons/mail/static/src/models/activity/activity.js
@@ -114,6 +114,18 @@ function factory(dependencies) {
                     ];
                 }
             }
+            if ('request_partner_id' in data) {
+                if (!data.request_partner_id) {
+                    data2.requestingPartner = [['unlink']];
+                } else {
+                    data2.requestingPartner = [
+                        ['insert', {
+                            id: data.request_partner_id[0],
+                            display_name: data.request_partner_id[1],
+                        }],
+                    ];
+                }
+            }
 
             return data2;
         }
@@ -292,6 +304,14 @@ function factory(dependencies) {
                 'note',
             ],
         }),
+        /**
+         * Determines that an activity is linked to a requesting partner or not.
+         * It will be used notably in website slides to know who triggered the
+         * "request access" activity.
+         * Also, be useful when the assigned user is different from the
+         * "source" or "requesting" partner.
+         */
+        requestingPartner: many2one('mail.partner'),
         state: attr(),
         summary: attr(),
         /**
diff --git a/addons/website_slides/static/src/components/activity/activity_tests.js b/addons/website_slides/static/src/components/activity/activity_tests.js
new file mode 100644
index 00000000000..d8e465a4237
--- /dev/null
+++ b/addons/website_slides/static/src/components/activity/activity_tests.js
@@ -0,0 +1,124 @@
+odoo.define('website_slides/static/src/tests/activity_tests.js', function (require) {
+'use strict';
+
+const components = {
+    Activity: require('mail/static/src/components/activity/activity.js'),
+};
+
+const {
+    afterEach,
+    beforeEach,
+    createRootComponent,
+    start,
+} = require('mail/static/src/utils/test_utils.js');
+
+QUnit.module('website_slides', {}, function () {
+QUnit.module('components', {}, function () {
+QUnit.module('activity', {}, function () {
+QUnit.module('activity_tests.js', {
+    beforeEach() {
+        beforeEach(this);
+
+        this.createActivityComponent = async activity => {
+            await createRootComponent(this, components.Activity, {
+                props: { activityLocalId: activity.localId },
+                target: this.widget.el,
+            });
+        };
+
+        this.start = async params => {
+            const { env, widget } = await start(Object.assign({}, params, {
+                data: this.data,
+            }));
+            this.env = env;
+            this.widget = widget;
+        };
+    },
+    afterEach() {
+        afterEach(this);
+    },
+});
+
+QUnit.test('grant course access', async function (assert) {
+    assert.expect(8);
+
+    await this.start({
+        async mockRPC(route, args) {
+            if (args.method === 'action_grant_access') {
+                assert.strictEqual(args.args.length, 1);
+                assert.strictEqual(args.args[0].length, 1);
+                assert.strictEqual(args.args[0][0], 100);
+                assert.strictEqual(args.kwargs.partner_id, 5);
+                assert.step('access_grant');
+            }
+            return this._super(...arguments);
+        },
+    });
+    const activity = this.env.models['mail.activity'].create({
+        canWrite: true,
+        thread: [['insert', {
+            id: 100,
+            model: 'slide.channel',
+        }]],
+        requestingPartner: [['insert', {
+            id: 5,
+            displayName: "Pauvre pomme",
+        }]],
+        type: [['insert', {
+            id: 1,
+            displayName: "Access Request",
+        }]],
+    });
+    await this.createActivityComponent(activity);
+
+    assert.containsOnce(document.body, '.o_Activity', "should have activity component");
+    assert.containsOnce(document.body, '.o_Activity_grantAccessButton', "should have grant access button");
+
+    document.querySelector('.o_Activity_grantAccessButton').click();
+    assert.verifySteps(['access_grant'], "Grant button should trigger the right rpc call");
+});
+
+QUnit.test('refuse course access', async function (assert) {
+    assert.expect(8);
+
+    await this.start({
+        async mockRPC(route, args) {
+            if (args.method === 'action_refuse_access') {
+                assert.strictEqual(args.args.length, 1);
+                assert.strictEqual(args.args[0].length, 1);
+                assert.strictEqual(args.args[0][0], 100);
+                assert.strictEqual(args.kwargs.partner_id, 5);
+                assert.step('access_refuse');
+            }
+            return this._super(...arguments);
+        },
+    });
+    const activity = this.env.models['mail.activity'].create({
+        canWrite: true,
+        thread: [['insert', {
+            id: 100,
+            model: 'slide.channel',
+        }]],
+        requestingPartner: [['insert', {
+            id: 5,
+            displayName: "Pauvre pomme",
+        }]],
+        type: [['insert', {
+            id: 1,
+            displayName: "Access Request",
+        }]],
+    });
+    await this.createActivityComponent(activity);
+
+    assert.containsOnce(document.body, '.o_Activity', "should have activity component");
+    assert.containsOnce(document.body, '.o_Activity_refuseAccessButton', "should have refuse access button");
+
+    document.querySelector('.o_Activity_refuseAccessButton').click();
+    assert.verifySteps(['access_refuse'], "refuse button should trigger the right rpc call");
+});
+
+});
+});
+});
+
+});
diff --git a/addons/website_slides/static/src/js/activity.js b/addons/website_slides/static/src/js/activity.js
index 64b5ead87f9..ac0ae3cdc99 100644
--- a/addons/website_slides/static/src/js/activity.js
+++ b/addons/website_slides/static/src/js/activity.js
@@ -42,4 +42,46 @@ function applyInclude(Activity) {
 
 applyInclude(KanbanActivity);
 
-});
\ No newline at end of file
+});
+
+odoo.define('website_slides/static/src/components/activity/activity.js', function (require) {
+'use strict';
+
+const components = {
+    Activity: require('mail/static/src/components/activity/activity.js'),
+};
+const { patch } = require('web.utils');
+
+patch(components.Activity, 'website_slides/static/src/components/activity/activity.js', {
+
+    //--------------------------------------------------------------------------
+    // Handlers
+    //--------------------------------------------------------------------------
+
+    /**
+     * @private
+     */
+    async _onGrantAccess(ev) {
+        await this.env.services.rpc({
+            model: 'slide.channel',
+            method: 'action_grant_access',
+            args: [[this.activity.thread.id]],
+            kwargs: { partner_id: this.activity.requestingPartner.id },
+        });
+        this.trigger('reload');
+    },
+    /**
+     * @private
+     */
+    async _onRefuseAccess(ev) {
+        await this.env.services.rpc({
+            model: 'slide.channel',
+            method: 'action_refuse_access',
+            args: [[this.activity.thread.id]],
+            kwargs: { partner_id: this.activity.requestingPartner.id },
+        });
+        this.trigger('reload');
+    },
+});
+
+});
diff --git a/addons/website_slides/static/src/xml/activity.xml b/addons/website_slides/static/src/xml/activity.xml
index 20c683ab3c4..a2f5b2c015b 100644
--- a/addons/website_slides/static/src/xml/activity.xml
+++ b/addons/website_slides/static/src/xml/activity.xml
@@ -19,4 +19,20 @@
             </t>
         </t>
     </t>
-</templates>
\ No newline at end of file
+
+    <t t-inherit="mail.Activity" t-inherit-mode="extension">
+        <xpath expr="//*[@name='tools']" position="replace">
+            <t t-if="activity.requestingPartner and activity.thread.model === 'slide.channel'">
+                <div class="o_Activity_tools">
+                    <button class="o_Activity_toolButton o_Activity_grantAccessButton btn btn-link" t-on-click="_onGrantAccess">
+                        <i class="fa fa-check"/> Grant Access
+                    </button>
+                    <button class="o_Activity_toolButton o_Activity_refuseAccessButton btn btn-link" t-on-click="_onRefuseAccess">
+                        <i class="fa fa-times"/> Refuse Access
+                    </button>
+                </div>
+            </t>
+            <t t-else="">$0</t>
+        </xpath>
+    </t>
+</templates>
diff --git a/addons/website_slides/views/assets.xml b/addons/website_slides/views/assets.xml
index be74235eae8..1577fe08c0f 100644
--- a/addons/website_slides/views/assets.xml
+++ b/addons/website_slides/views/assets.xml
@@ -65,6 +65,11 @@
             <script type="text/javascript" src="/website_slides/static/src/js/slides_embed.js"></script>
         </template>
 
+        <template id="website_slides_tests" name="eLearning tests" inherit_id="web.qunit_suite_tests">
+            <xpath expr="//script[last()]" position="after">
+                <script type="text/javascript" src="/website_slides/static/src/components/activity/activity_tests.js"/>
+            </xpath>
+        </template>
 
     </data>
 </odoo>