If you create a custom plug-in that defines custom processing logic for the execute match methods, you must specify those custom plug-ins in the Threshold file in the master index project. If you create a plug-in for customizing logic in the execute match methods used by the back-end, such as by Collaborations or Business Processes, specify the name of that class in the logic-class element. If you create a plug-in for the EDM, specify the name of that class in the logic-class-gui element. For example:
For more information about the Threshold file, see Understanding Sun Master Index Configuration Options (Repository).