How to release sales orders from credit hold using Credit Check Processor for Prepayment required or

Below is what I want to acheive in Oracle Order Management.

We have several customers who have to make a prepayment before an order can be shipped. The flow is the customer places an order on us and we put in the order in oracle OM. As the customer is a cash in advance customer, we want the order to go on credit hold. So, we used order credit limit as $1 to make sure the order is booked but goes on credit hold. We send the order acknowledgement with the amount due. Customer makes a payment and a receipt is created and applied on account in AR. We want to