You can create rules from a mapplet. The mapplet contains the logic to mask the input columns and return data to the target columns. When you create a rule from a mapplet, you assign the mapplet column names to input and output columns when you assign the rule to a column in the data source.
Import a mapplet from an XML file that you exported from the Model repository or the PowerCenter repository. The mapplet can contain any passive transformations.
To perform TDM masking operations, you can import PowerCenter mapplets.
A mapplet can contain multiple input and multiple output columns. All columns might not be available in all projects. You must configure one input column and one output column as required columns. The mandatory columns must have source and target assignments when you assign the rule to a column in the data source. Test Data Manager has an interface to assign multiple columns to a rule from a mapplet.
The TDM repository stores the mapplet logic when you import the mapplet. You cannot change the mapplet in Test Data Manager.