Use your own approval engine with Oracle SAAS Applications
Summary There are a lot of approval flows that come out-of-the-box with Oracle's SAAS applications. Just think of the AP Invoices or Purchase Order approval flows in Oracle ERP Cloud. These flows are implemented by Oracle development in Oracle BPM. Most of the times a user-friendly user interface is also delivered allowing users to customize the approval flows without having to write code. Because as soon as you write code you lose upgradeability. But this user-friendliness comes at a cost: you do not have access to all the nice state-of-the-art features of Oracle BPM. Although you can implement 99% of your requirements using the delivered screens in an update-safe way, you might have a mandatory requirement that is not covered by what is available out-of-the-box. This blog explains a way to externalize some approval processes allowing you to use an external business process engine such as Oracle Process Cloud ( https://www.oracle.com/cloud/integration/process-cloud-service/ ) or