User exits provide a means to add custom business logic to standard Informatica Data Director operations. You can use user exits within the Data workspace.
User exits are implemented in Java. For details on the interfaces used to implement user exits, see the Javadoc for
siperian-bdd.jar
that is included in the MDM Hub Resource Kit. Also included in the Resource Kit is a set of example user exits. The set of user exits includes an ant project that you can use as a template to build a user exit JAR file.