How to modify standard integration 'Payroll Interface for ADP Global Payroll V2'

Summary:

Modify existing logic to fetch periodic salary within standard integration 'Payroll Interface for ADP Global Payroll V2

Content (please ensure you mask any confidential information):

We have a requirement to modify existing logic to fetch periodic salary within standard integration 'Payroll Interface for ADP Global Payroll V2'. Periodic salary is getting derived from FF 'ORA_HRY_GPY_PROP_UI_PERIODIC_FREQUENCY_CALCULATOR'--We can think of some logic to implement in this FF then then to pass modified input parameter to FF 'Global View Salary Conversion Factor' so that 'Global View Salary Conversion Factor' does the calculation based on received input param and return required result. But ORA_HRY_GPY_PROP_UI_PERIODIC_FREQUENCY_CALCULATOR is not editable whereas 'Global View Salary Conversion Factor' is editable. Please guide us on how to achieve this requirement.