This recipe shows you how to create system announcements in JIRA to display important messages to users.
Perform the following steps to add an announcement message in JIRA:
Navigate to Administration | System | Announcement Banner.
Enter the following announcement message (you can use any valid HTML, CSS, and JavaScript):
<div class="aui-message warning"> <span class="aui-icon icon-warning"></span> <p>JIRA will be down on <b>Friday 7PM</b> for a planned upgrade. Please make sure you save all your work.</p> </div>
Select whether the message will be private (only shown to logged-in users) or public.
Click on Set Banner to create the announcement: