How to create a broadcast message on the fusion home page like planned scheduled maintenance etc.,

Summary:

How to create a broadcast message on the fusion home page like we want to intimate the users that we have planned scheduled maintenance or some other message which is applicable for all users

Content (please ensure you mask any confidential information):

Something like this below message

Version (include the version you are using, if applicable):

24b

Code Snippet (add any code snippets that support your topic, if applicable):