diff --git a/manifests/init.pp b/manifests/init.pp
index b3429b69b..15dd37e66 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -305,6 +305,10 @@
 #   (optional) AMQP topic used for OpenStack notifications
 #   Defaults to ::os_service_default
 #
+# [*notification_format*]
+#   (optional) Format used for OpenStack notifications
+#   Defaults to ::os_service_default
+#
 # [*notify_api_faults*]
 #   (optional) If set, send api.fault notifications on caught
 #   exceptions in the API service
@@ -514,6 +518,7 @@ class nova(
   $notification_transport_url             = $::os_service_default,
   $notification_driver                    = $::os_service_default,
   $notification_topics                    = $::os_service_default,
+  $notification_format                    = $::os_service_default,
   $notify_api_faults                      = false,
   $notify_on_state_change                 = undef,
   $os_region_name                         = $::os_service_default,
@@ -751,6 +756,7 @@ but should be one of: ssh-rsa, ssh-dsa, ssh-ecdsa.")
     'cinder/catalog_info':                            value => $cinder_catalog_info;
     'os_vif_linux_bridge/use_ipv6':                   value => $use_ipv6;
     'notifications/notify_api_faults':                      value => $notify_api_faults;
+    'notifications/notification_format':              value => $notification_format;
     # Following may need to be broken out to different nova services
     'DEFAULT/state_path':                             value => $state_path;
     'DEFAULT/service_down_time':                      value => $service_down_time;
diff --git a/releasenotes/notes/Add-parameter-to-set-notification-format-861daec4cdb76e38.yaml b/releasenotes/notes/Add-parameter-to-set-notification-format-861daec4cdb76e38.yaml
new file mode 100644
index 000000000..8d9fe0454
--- /dev/null
+++ b/releasenotes/notes/Add-parameter-to-set-notification-format-861daec4cdb76e38.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add parameter to set notification format. Specifies which notification
+    format shall be used by nova.
diff --git a/spec/classes/nova_init_spec.rb b/spec/classes/nova_init_spec.rb
index b9401a237..fc21405ec 100644
--- a/spec/classes/nova_init_spec.rb
+++ b/spec/classes/nova_init_spec.rb
@@ -98,6 +98,7 @@ describe 'nova' do
           :notification_transport_url              => 'rabbit://rabbit_user:password@localhost:5673',
           :notification_driver                     => 'ceilometer.compute.nova_notifier',
           :notification_topics                     => 'openstack',
+          :notification_format                     => 'unversioned',
           :notify_api_faults                       => true,
           :report_interval                         => '60',
           :os_region_name                          => 'MyRegion',
@@ -180,6 +181,7 @@ describe 'nova' do
         is_expected.to contain_nova_config('oslo_messaging_notifications/transport_url').with_value('rabbit://rabbit_user:password@localhost:5673')
         is_expected.to contain_nova_config('oslo_messaging_notifications/driver').with_value('ceilometer.compute.nova_notifier')
         is_expected.to contain_nova_config('oslo_messaging_notifications/topics').with_value('openstack')
+        is_expected.to contain_nova_config('notifications/notification_format').with_value('unversioned')
         is_expected.to contain_nova_config('notifications/notify_api_faults').with_value(true)
         is_expected.to contain_nova_config('DEFAULT/report_interval').with_value('60')
         is_expected.to contain_nova_config('os_vif_linux_bridge/use_ipv6').with_value('true')