Data Masking lets you enable masking for individual data stores or all data stores, and to enable masking at the data-element
                  level or class level.
                  		
               
 
               		
                In this exercise you will be masking at the class level by activating masking for the data store 
                  		  CUSTOMER at the class (NAME and 
                  		  SURNAME) level.
                  		
               
               		
               Note: To mask at the data-element level, double-click the desired data store from the 
                  		  Main Window, right-click the desired data element, and then click 
                  		  Data Changer Data Element Properties. Click 
                  		  Change, click 
                  		  Yes to activate the 
                  		  Changer option, and finally click 
                  		  Apply to activate your setting.