$JBOSS_HOME/bindirectory run the following script with the answers to the prompts below
For windows users, the script will be add-user.bat
Back in JBDS open the demo-jdv.vdb and then to Data Roles tab. In the lower left add a new role
Name the role User.
In the mapped enterprise role tab add a value of user. Click finish
Add another Data Role called Masked
In the mapped enterprise role tab add a value of mask
Uncheck all the tables except for FedView
In the row filter tab, click add. Set target as FedView.combined
In the condition field add visibility = 'public'
In the column masking tab, click add
Target column is FedView.combined.email. Column expression is 'firstname.lastname@example.org'.