Modifying masking format
To modify an existing masking format:
- Open Application Data Protection. 
- In the left pane, click Masking Format. The list of masking formats is displayed. 
- Click the overflow icon (  ) corresponding to the masking format that you want to modify. The Edit Masking Format screen shows the format details. ) corresponding to the masking format that you want to modify. The Edit Masking Format screen shows the format details.
- Modify the format details and click Update. you can modify the following fields: - Name 
- Show 
- Mask 
- Start Characters 
- Last Characters 
- Masking Character 
 - A message stating, Masking format updated successfully is displayed.