User Guide > Data Masking Techniques and Parameters > Custom Masking
  

Custom Masking

Use custom masking when you want to apply multiple masking techniques to a column or when you want to configure multiple input and output columns in the same masking rule. You can mask all data types.
To create a custom masking rule, you must import the PowerCenter mapplets. Set the mapplet input columns and output columns as required. The mapplet must contain at least one input and one output column.
When you assign the custom masking rule to columns, you must map the source columns to the columns in the custom masking rule.

Custom Masking Parameters

Configure input and output columns that you import from a mapplet when you create a custom masking rule.
The following table describes the general properties that you can configure for input and output columns:
Parameter
Description
Column Name
The name of an input or an output column within a mapplet. When you assign the rule to a column, you map the column names in the rule to column names in the database.
Column Type
The column type. The mapplet can contain the following types of columns:
  • - Input. Receives the input data.
  • - Output. Returns the output data.
Data Type
The data type of the column.
Precision
The precision for the column. The maximum number of digits or the maximum number of characters that the column can accommodate. For example, 874.560 has a precision of 6.
Mandatory
Indicates if you must assign the column to a table column in the project. Applies to input and output columns. You must set at least one input and one output column as required.
Group Name
Specifies the group to which the columns belong. The group name can be input, output, or any other name that you provide when you create a mapplet.