Is there any HR API which can update supervisor and probation details for applicant?

Hi all,

I tried to update supervisor and probation details for an applicant by using hr_assignment_api.update_emp_asg and hr_assignment_api.update_emp_asg_criteria but encountered error  ORA-20001: The assignment must be an employee assignment as of the effective date. Understood that this API validates that the person needs to be an employee as at assignment date however in the Oracle EBS Application screen under HRMS, there are fields such as Supervisor and Probation info that can be updated manually even though the person is still an applicant, not yet an employee. Is there any HR API procedure to update these info while the person is still an