How to differentiate between Manager or Learning Specialist rejection

Summary:

When learner request access to a Course, the line manager and learning specialist can reject the request. We would like to have a different alert being send for rejections performed by the manager as the rejections performed by the learning specialist.

Content (required):

How can we identify those rejections performed by manager and those performed by learning specialist? Are there columns in the database that have a different value based on the person rejecting?

It seems that Bypass Reject results in the same as Reject.

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

21D

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