How to use Project DFF in approval rules/attribute in ReqApproval via FSM

Summary:

Customer has a requirement to achieve certain behavior in requisition approvals based on a DFF attribute value of the projects setup in PPM

Let's say in PPM in projects DFF attribute5 we have value A or B or C or D.

Based on Project DFF value:

Value A approver 1 should be notified to approve req,

Value B approver 2 should be notified to approve req,

etc.

How to propagate or use projects DFF value in req approvals setup in PPM?

Content (required):

Expectation from customer is, when entering a requisition in Enter Requisition Line UI, and requester populates a project, task, expenditure type, etc: approval flow/behavior will be based on the DFF value to the project entered in the requisition distribution.