Event Handling Framework (EHF) for Oracle HCM

Summary:

I understand Oracle Fusion has a event handling framework (EHF), however this framework is not available to HCM customers. I'm trying to find the Fusion part of this documentation. I found the OIC part: Diagnose and Manage Event-Based Oracle Fusion Applications Integrations

Version (include the version you are using, if applicable)

Most receive fusion installation