Go back to the Angualar client at http://localhost:8181
View each of the data services we created by navigating the lefthand pane, including the combined data service for all 3 sources
In the upper right, click the user icon and change the user to maskUser
Go to the Federated page or click reload if already on the page.
You will see only rows with Visibility public and email is masked as email@example.com