The following viewer classes may be specified if the type attribute is ProcessFormAction or SelfServiceProcessFormAction class:
IDMXUser— The primary Service Provider view. See IDMXUser View Reference for detailed information about this class.
IDMXLookupUsernameViewer— Returns a user name that matches the attributes specified in the lookup-attributes attribute in the SPEUserPages configuration object. See SPEUserPages Configuration Object for more information about the lookup-attributes attribute.
IDMXUserQuestionViewer— Manipulates the authentication questions.
IDMXNoop— An empty view handler that provides ability to render a form without any required view schema. This requires a form name passed in through the ViewConstants.OP_FORM option.