To add an alert, you just need to add one of the following tags to an article:
- alert_info
 - alert_success
 - alert_warning
 - alert_danger
 
Use the following instruction to add an alert:
1. Create a new article for the alert.
2. Add a tag to display the corresponding alert:

3. There are 4 types of alert tags:
alert_danger

- alert_info

 - alert_success

 - alert_warning

 
4. Make sure that you've correct visibility.
5. Save and publish the changes.