how to create Information Messages in VBS

Summary:

Please can we have some guidance on Information Messages in VBS - we want to achieve something similar to this one which shows on the Promote flow:

Content (please ensure you mask any confidential information):

We need to add Information Messages in various places in Redwood similar to the above.

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

24D

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