diff --git a/manifests/init.pp b/manifests/init.pp
index f73513c1..f76bbbd6 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -150,7 +150,7 @@
 #   Defaults to $facts['os_service_default']
 #
 # [*notification_transport_url*]
-#   (optional) A URL representing the messaging driver to use for notifications
+#   (Optional) A URL representing the messaging driver to use for notifications
 #   and its full configuration. Transport URLs take the form:
 #     transport://user:pass@host1:port[,hostN:portN]/virtual_host
 #   Defaults to $facts['os_service_default']
@@ -161,9 +161,14 @@
 #   Defaults to $facts['os_service_default']
 #
 # [*notification_topics*]
-#   (optional) AMQP topic used for OpenStack notifications
+#   (Optional) AMQP topic used for OpenStack notifications
 #   Defaults to facts['os_service_default']
 #
+# [*notification_retry*]
+#   (Optional) The maximum number of attempts to re-sent a notification
+#   message, which failed to be delivered due to a recoverable error.
+#   Defaults to $facts['os_service_default'].
+#
 # [*keystone_ec2_uri*]
 #   (optional) Authentication Endpoint URI for ec2 service.
 #   Defaults to facts['os_service_default']
@@ -253,6 +258,7 @@ class heat(
   $notification_transport_url         = $facts['os_service_default'],
   $notification_driver                = $facts['os_service_default'],
   $notification_topics                = $facts['os_service_default'],
+  $notification_retry                 = $facts['os_service_default'],
   $enable_proxy_headers_parsing       = $facts['os_service_default'],
   $max_request_body_size              = $facts['os_service_default'],
   Boolean $purge_config               = false,
@@ -320,6 +326,7 @@ class heat(
     transport_url => $notification_transport_url,
     driver        => $notification_driver,
     topics        => $notification_topics,
+    retry         => $notification_retry,
   }
 
   oslo::messaging::default { 'heat_config':
diff --git a/releasenotes/notes/notification-retry-11e012a40f003694.yaml b/releasenotes/notes/notification-retry-11e012a40f003694.yaml
new file mode 100644
index 00000000..01a47c92
--- /dev/null
+++ b/releasenotes/notes/notification-retry-11e012a40f003694.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    The new ``heat::notification_retry`` parameter has been added.
diff --git a/spec/classes/heat_init_spec.rb b/spec/classes/heat_init_spec.rb
index bf1695c4..a249ef6f 100644
--- a/spec/classes/heat_init_spec.rb
+++ b/spec/classes/heat_init_spec.rb
@@ -44,7 +44,7 @@ describe 'heat' do
     it_configures 'without region_name set'
     it_configures 'with enable_stack_adopt and enable_stack_abandon set'
     it_configures 'with overridden messaging default parameters'
-    it_configures 'with notification_driver set to a string'
+    it_configures 'with notification parameters'
   end
 
   shared_examples_for 'a heat base installation' do
@@ -112,7 +112,8 @@ describe 'heat' do
       is_expected.to contain_oslo__messaging__notifications('heat_config').with(
         :driver        => '<SERVICE DEFAULT>',
         :transport_url => '<SERVICE DEFAULT>',
-        :topics        => '<SERVICE DEFAULT>'
+        :topics        => '<SERVICE DEFAULT>',
+        :retry         => '<SERVICE DEFAULT>',
       )
     end
 
@@ -311,12 +312,13 @@ describe 'heat' do
     end
   end
 
-  shared_examples_for 'with notification_driver set to a string' do
+  shared_examples_for 'with notification parameters' do
     before do
       params.merge!(
         :notification_transport_url => 'rabbit://rabbit_user:password@localhost:5673',
         :notification_driver        => 'messagingv2',
         :notification_topics        => 'notifications',
+        :notification_retry         => 10,
       )
     end
 
@@ -324,7 +326,8 @@ describe 'heat' do
       is_expected.to contain_oslo__messaging__notifications('heat_config').with(
         :driver        => 'messagingv2',
         :transport_url => 'rabbit://rabbit_user:password@localhost:5673',
-        :topics        => 'notifications'
+        :topics        => 'notifications',
+        :retry         => 10,
       )
     end
   end