Condition to check if requestor is the second level manager of the employee

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We need to build a condition to check if the requestor is the second level manager of the employee for whom the leave is getting applied on system. How can we achieve this?

I found the below expression but it is not working for absence.

BPMHierarchyBuilder.getManager("supervisory",GetManager("LINE_MANAGER",Task.payload.Worker's Current Assignment.result.AssignmentSupervisor),-1,null,"LINE_MANAGER") == Task.payload.transactionApprovalRequest.Requestor

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