DRLS to a specific person

[kamran12]

my question is if I am working on data and I want the user to only see their data if by mistake I accidentally assign them wrong role in which they do not have their email they should not see anything. how can i achive this? THANK YOU.

[lbendlin]

With DRLS you usually only have one role, and its rule includes the check against USERPRINCIPALNAME().  Please check the documentation.