How to add a mask for data entry in activity?

To avoid misusing the customer data by any other source, there is feature in FeetPort which is called 'Mask Input'. Web user can configure this feature in activity form in the following steps:

1.  From Navigation Menu, click on Configuration module and then click on Activities sub-module.
2. Choose the activity and click on the filed whose data you want to mask.
3. Check the 'Input Mask' checkbox.
4. Click on back arrow and the click on 'Save' to update the activity.