diff --git a/doc/notification_samples/aggregate-add_host-end.json b/doc/notification_samples/aggregate-add_host-end.json
new file mode 100644
index 000000000..ae1676960
--- /dev/null
+++ b/doc/notification_samples/aggregate-add_host-end.json
@@ -0,0 +1,19 @@
+{
+    "priority": "INFO",
+    "payload": {
+        "nova_object.version": "1.1",
+        "nova_object.namespace": "nova",
+        "nova_object.name": "AggregatePayload",
+        "nova_object.data": {
+            "name": "my-aggregate",
+            "metadata": {
+                "availability_zone": "nova"
+            },
+            "hosts": ["compute"],
+            "id": 1,
+            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
+        }
+    },
+    "event_type": "aggregate.add_host.end",
+    "publisher_id": "nova-api:fake-mini"
+}
diff --git a/doc/notification_samples/aggregate-add_host-start.json b/doc/notification_samples/aggregate-add_host-start.json
new file mode 100644
index 000000000..4e82af3d7
--- /dev/null
+++ b/doc/notification_samples/aggregate-add_host-start.json
@@ -0,0 +1,19 @@
+{
+    "priority": "INFO",
+    "payload": {
+        "nova_object.version": "1.1",
+        "nova_object.namespace": "nova",
+        "nova_object.name": "AggregatePayload",
+        "nova_object.data": {
+            "name": "my-aggregate",
+            "metadata": {
+                "availability_zone": "nova"
+            },
+            "hosts": [],
+            "id": 1,
+            "uuid": "788608ec-ebdc-45c5-bc7f-e5f24ab92c80"
+        }
+    },
+    "event_type": "aggregate.add_host.start",
+    "publisher_id": "nova-api:fake-mini"
+}
diff --git a/nova/notifications/objects/aggregate.py b/nova/notifications/objects/aggregate.py
index d94516090..a71a63503 100644
--- a/nova/notifications/objects/aggregate.py
+++ b/nova/notifications/objects/aggregate.py
@@ -46,6 +46,8 @@ class AggregatePayload(base.NotificationPayloadBase):
 @base.notification_sample('aggregate-create-end.json')
 @base.notification_sample('aggregate-delete-start.json')
 @base.notification_sample('aggregate-delete-end.json')
+@base.notification_sample('aggregate-add_host-start.json')
+@base.notification_sample('aggregate-add_host-end.json')
 @nova_base.NovaObjectRegistry.register_notification
 class AggregateNotification(base.NotificationBase):
     # Version 1.0: Initial version
diff --git a/nova/tests/functional/notification_sample_tests/test_aggregate.py b/nova/tests/functional/notification_sample_tests/test_aggregate.py
index 0d376fb48..5f045642a 100644
--- a/nova/tests/functional/notification_sample_tests/test_aggregate.py
+++ b/nova/tests/functional/notification_sample_tests/test_aggregate.py
@@ -52,3 +52,33 @@ class TestAggregateNotificationSample(
                 'uuid': aggregate['uuid'],
                 'id': aggregate['id']},
             actual=fake_notifier.VERSIONED_NOTIFICATIONS[3])
+
+    def test_aggregate_add_host(self):
+        aggregate_req = {
+            "aggregate": {
+                "name": "my-aggregate",
+                "availability_zone": "nova"}}
+        aggregate = self.admin_api.post_aggregate(aggregate_req)
+
+        fake_notifier.reset()
+
+        add_host_req = {
+            "add_host": {
+                "host": "compute"
+            }
+        }
+        self.admin_api.post_aggregate_action(aggregate['id'], add_host_req)
+
+        self.assertEqual(2, len(fake_notifier.VERSIONED_NOTIFICATIONS))
+        self._verify_notification(
+            'aggregate-add_host-start',
+            replacements={
+                'uuid': aggregate['uuid'],
+                'id': aggregate['id']},
+            actual=fake_notifier.VERSIONED_NOTIFICATIONS[0])
+        self._verify_notification(
+            'aggregate-add_host-end',
+            replacements={
+                'uuid': aggregate['uuid'],
+                'id': aggregate['id']},
+            actual=fake_notifier.VERSIONED_NOTIFICATIONS[1])