How to add api /grades/v1/submission_history/{course_id}/

[choltha (CT)]

Hi ,everyone
I want get api /grades/v1/submission_history/{course_id}/
but api not find in api

open edx version olive
I can add this api?
I can get submission_history databases?

[choltha (CT)]

I upgrade palm version it show /grades/v1/submission_history/{course_id}/