How to trigger a task 4 days prior to hire date for Enterprise onboarding journey?

Summary:

Task to be triggered 4 days prior to the hire date of pending worker but the checklist isn't getting allocated

Content (required):

According to the client request, the task should be triggered -4 days before preboarding(for add pending worker task) with criteria :-

• if hire date - creation date is >4 then on the creation date(eg- if a pending employee record is created on 1st Aug but the hire date is 10th Aug the task should be triggered on 6th Aug)
• if hire date - creation date is = 4 then on the creation date(eg- if a pending employee record is created on 1st Aug but the hire date is 5th Aug the task should be triggered on 1st Aug)