How to fetch value set value using fast formula

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Hi Experts,

We have a requirement to fetch the value set details in a FF using GET_VALUE_SET function. I have defined a value set as below to fetch the absence balance by passing 2 parameters.

FROM Clause: ANC_PER_ACCRUAL_ENTRIES

Value Column Name: END_BAL

ID Column Name: PER_ACCRUAL_ENTRY_ID

WHERE Clause: person_id = :{PARAMETER.P_PERSON_ID} and ACCRUAL_PERIOD = to_date(:{PARAMETER.P_END_DATE}, 'YYYY-MM-DD')

Can anyone please help me to get the GET_VALUE_SET function syntax to pass 2 parameters (number and date data type)?