The reject_qualification_request
operation rejects a user's request for a Qualification.
See https://www.paws-r-sdk.com/docs/mturk_reject_qualification_request/ for full documentation.
mturk_reject_qualification_request(QualificationRequestId, Reason = NULL)
[required] The ID of the Qualification request, as returned by the
list_qualification_requests
operation.
A text message explaining why the request was rejected, to be shown to the Worker who made the request.