Last person who have made change

Summary

Hi I need ton know who's the last person made change on a person's role or privilege.

Content

Hi I need to know who's the last person made change on a person's role or privilege.

We have several environment and its important to have same access for each person in all environment to make test. The problem is when I ' m sure each environment are same (I verified) few days later a lot of person have not the same rolel in the different environement so I need to know who's make the change on it.

Thank you!

Sara