Technical Question: Run Employee Active Payroll Balance Report by SSN ?

TECHNICAL QUESTION

Is there a method for programmatically populating the Employee Name / PERSON_NUMBER flow parameter used by the seeded Run Employee Active Payroll Balance Report?

Specifically, when Employee Display Name|PersonNamePVO is used as the Smart LOV, what storage attribute, key, dependency, or additional parameter metadata does PersonNamePVO provide beyond the apparent value Display Name|Person Number?

I need to reproduce that supported employee-selection contract after resolving an entered National Identifier/SSN to the employee, while retaining the seeded report task and ensuring that an unsuccessful lookup cannot result in a broad-population report.

REQUIREMENT

I need to provide payroll users with the ability to run the