Using API how to add a note for Advance Collections

Summary: I have a request to add notes to multiple clients that is visible in the Advance Collections module

Content (please ensure you mask any confidential information): We need to add a note on how to proceed with collections for many of our Clients. This would be visible to our collectors in the Advance Collections module.

Version (include the version you are using, if applicable):25B

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