Can Worklist Notification call Rest API's

Summary:

Is it possible for Worklist Notifications to call Rest API's or raise a Business event.

Content (required):

Customer has a number of Applications which generate Notifications for Users. They have a centralised message board, and want to feed Worklist Notification from Oracle Fusion Cloud to the centralised Message board in real time.

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