# Implementing Notifications in a Public Knowledge Base

The request from the client was pretty straightforward. We were implementing a public knowledge base – using the Customer Service template – and the client requested the ability to display notifications to visitors. Announce downtime [Read more](/content/using-the-community-alerts-component/index.html)

## Use Case
You have a community and you would like to alert users of an upcoming event.

## Requirements
- Be able to show an alert message in a community.
- The alert should be time-based.  You should [Read more](/content/building-the-community-alerts-component/index.html)