To add an alert, you just need to add one of the following labels to an article:
Please note that after adding a label and publishing the article, it may take up to 5 minutes before the banner appears. It's because Zendesk doesn't reflect changes immediately in the API.
Use the following instruction to add an alert:
1. Create a new article for the alert.
2. Add a label to display the corresponding alert:
3. There are 4 types of alert labels:
4. Make sure that you've correct visibility.
5. Save the changes.