This tutorial explains how to create custom XPATH functions that can be used across all SOA Suite components. You can learn how to implement IXPathFuction interface, create appropriate configuration files, update JDeveloper to use the plugin in design time, make the library available to SOA Server’s runtime and finally use it in a simple BPEL program.
I read some of your training material and watched training videos. I come from integration background and I have no doubt that you are very knowledgeable. Your material helped me coming up to speed on Oracle Fusion in a very short time.
By the way how much do you charge for training.