How to show information kind of message through groovy when a web service is called through Action

**This post was created as part of a How to Service Request (SR)

Release:

22A

Summary of the question:

Customer have requirement to display confirmation message when clicking custom actions or links which is defined .Please let us know whether is achievable or not?

Basically they want to show some kind of information message.

Use Case:

Whenever the we service is triggered they want to display a message to the user that the Web Service has been triggered.

Supporting Documents if any:

[None]