Workflow - Setup Line Level Approval through Approval Framework AWE

Hi,

I wanted to know what are the configuration settings to setup Line Level Approval through Approval Framework AWE??
I understand that this is not delivered for 9.1(at line level).

Nevertherless we need a sample example of line level approval setup using delivered view VCHR_AF_HFLD_VW ( Perhaps using VCHR_SRC field as criteria...or any other field criteria in the delivered view)
What are the Checklist steps required to setup Line Level Approval through Approval Framework AWE??

Environment: DEMO 9.1 Bundle#9
Peopletools: 8.51

On Oracle Support everywhere I see setup and configuration for Header level approval setup for AP, GL, but none for