default payroll name on secondary assignment based on primary assignment using autocomplete rule

Summary:

We have a requirement to default payroll name on secondary assignment based on primary assignment using autocomplete rule (I am using "Assigned Payroll" object to implement this requirement).

Basically, we have 2 payroll definition i.e., Monthly and Biweekly. If employee is assigned to Monthly payroll on primary assignment, then secondary assignment should also follow the payroll assigned to primary assignment.

Any suggestion would be appreciated.

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