To Add or Edit an alert you must have the Administrator role. All users with access to the application will see these alerts. You can add as many alerts as you choose and set them to expire automatically. Alerts for each application are added and edited from the application home page.
Steps:
On the application home page click the Add New Alert located above the tabs.
In the text box enter the desired message.
Select an effective date for the message to start displaying.
If desired, select a date for the message to expire.
Click save , or cancel to exit without saving.
To remove an existing alert, click delete .