1 files changed, 15 insertions, 1 deletions
diff --git a/app/models/project_services/slack_service.rb b/app/models/project_services/slack_service.rb
index 6d567bb1383..79245e84238 100644
--- a/app/models/project_services/slack_service.rb
+++ b/app/models/project_services/slack_service.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class SlackService < ChatNotificationService
+  prop_accessor EVENT_CHANNEL['alert']
+
   def title
     'Slack notifications'
   end
@@ -21,13 +23,25 @@ class SlackService < ChatNotificationService
     'https://hooks.slack.com/services/…'
   end
 
+  def supported_events
+    additional = []
+    additional << 'alert'
+
+    super + additional
+  end
+
+  def get_message(object_kind, data)
+    return ChatMessage::AlertMessage.new(data) if object_kind == 'alert'
+
+    super
+  end
+
   module Notifier
     private
 
     def notify(message, opts)
       # See https://gitlab.com/gitlab-org/slack-notifier/#custom-http-client
       notifier = Slack::Messenger.new(webhook, opts.merge(http_client: HTTPClient))
-
       notifier.ping(
         message.pretext,
         attachments: message.attachments,