How to connect Callback Trigger to Import Journal Integration - Integration 3

Summary: I have created a successful Import Journal from FTP integration that is working successfully, but am having issues with Callback Trigger. We are using Integration 3 and most of the documentation listed is for Integration 2.

How do I connect the Callback with the Import Journal Integration?

Content (required):

On the callback, I have selected Receive Callback Message upon completion of FBDI bulk import. We would like to receive an email after each import attempt, successful or not.

Version (include the version you are using, if applicable): 23.10 Integration 3

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