what is the use of eligibility profile in absence certification page

Summary: I have seen eligibility profile LOV in absence certification page and it is enable only for Absence trigger value "On absence submit".

What is the purpose of an eligibility profile on a certification definition?

»Is it to allow overrides of a payment percentage for eligible employees

» it is to determine plan eligibility

» is it to prevent payment of qualified entitlements to ineligible employees

»is it limit the types of employees who have the certification auto-generated when an absence is created

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