Defaulting payroll frequency on job offer redwood page

Hi All,

We have a requirement to default payroll frequency on create job offer redwood page based on fields from job requisition and job details pages.

Here is the requirement:

Default payroll frequency field on create job offer redwood page.

IF Overtime Status = Non - Exempt AND Recruiting Type Does not Equal Staffing THEN Payroll Frequency = Biweekly
IF Recruiting Type = Staffing THEN Payroll Frequency = Weekly
IF Overtime Status = Exempt THEN Payroll Frequency = Semi-Monthly

Overtime Status field is available on Job details page. - $fields['oracle-eflexfield-JOB_LEG'].JOB_LEG.HRX_US_JOBS.FLSA_STATUS.$value()

Recruiting Type field is available on job requisition page. - $fields.RecruitingJobRequisition.RecruitingTypeCode.$value()