11.5.10 AME Invoice Approval

Hello Oracle Gurus

I have just enable AME for invoice Approval, and I have the following business requirement

1.-The requester field will be filled automatically.

2.-The Approval Group will be the PO Hierarchy.

In my view the first requirement I will be through a form personalization.

Condition :INV_SUM_FOLDER.REQUESTER_ID is null

Actions :

Target : INV_SUM_FOLDER.REQUESTER_NAME

Property Name : VALUE

Value

=select full_name from per_all_people_f

where person_id = (select employee_id from FND_USER

where user_id = :INV_SUM_FOLDER.CREATED_BY)

and sysdate between effective_start_date and effective_end_date