Solfege will play a generated rhythm, and the user should tap the same rhythm.
Here is a minimal lesson file:
header { module = rhythmtapping2 lesson_id = "7a4916be-de47-42e3-9d15-78d48ccf945e" version = "3.7.0" title = "Rhythm tapping test" rhythm_elements = 1, 2, 3, 4 }
See also at_question_start.