Invoking Oracle ACM from a web service call is not difficult but unfortunately is also not well documented. I know … you’re shocked.
To explain this as simply as possible, let’s use a Loan Origination process as a prototypical ACM example to review the high-level steps.
In this 11g process example, we’re invoking ACM from a CRM system via a web service call. The web service will invoke a BPEL process which does the following: