Learning how to upload by HDL learners enrollments and activities per course ?

Hello ,

In learning we would like to perform a mass upload from an external system into fusion learning of -

Activities in assignments of learners.

Those learners form the other external system performed a course with activities.

Please share an example in HDL of how to perform upload learner

enrollments of ALL courses with each activity completed / in process by the learner .

see attached file please

Thanks a lot

Revital