Step 3. Assign the Masking Rule
Assign the credit card masking rule that you added to the source table column that you want to mask.
1. In the project, click Define > Data Masking.
2. Select the CREDITCARD column to assign the masking rule to.
3. Click inside the Masking Rule column.
A list of masking rules applicable for the string data type appears.
4. Select the Cust_CreditCard masking rule that you created.
The following image shows a sample masking rule assignment:
5. Click Save.