This module is the one which invokes the UserIDGenerator SPI implementation class. By default, only the Membership/Self-registration authentication module calls this SPI implementation.
Make sure that you have registered and enabled the Membership authentication module, and that you have created a template for the organization.
Enter the following URL:
If you choose to use an organization other than the default, be sure to specify that in the URL using the org parameter. Example: org=orgName
Click New User.
You should be able to register any existing username or user ID.
The UserIDGeneratorSample will be executed. You will be presented with the generated User IDs choice menu to choose any one username or user ID.