Custom tests are saves as documents, which is different from built-in tests. The latter are fully numerical an Audiqueen can than calculate summary variables. But even with custom tests, you can add structured variables which are then available for future analysis or display. This is how it works.
The instructional video on Test Management shows how to create custom tests.
Edit a custom test through the Test Management window .
Add a parameter:
Define the parameter and its features:
This way you can create multiple structured variables and designate one to be the formal test index:
Once this is done, you can attach values to a test result. Use the Synopsis button for this purpose: