How to check if field value of record fields is changed using peoplecode

How to check if field value of record fields is changed using peoplecode

How to check if field value of record fields is changed using peoplecode function is call “ischanged”

For Example

For &i = 1 To &rs1.ActiveRowCount
If Recordname.EMPLID.IsChanged Then

/*–Each Statement–*/
End-If;
End-For;

or use OriginalValue and PriorValue