Obtain Processes That Subscribe to a Platform Event in Metadata API

Use Metadata API to retrieve all processes subscribed to a platform event.

1. Retrieve all event subscriptions in your org with this sample package manifest.

2. In each .subscription file, look at the referenceData parameter. The value is the API name of a process.

In this .subscription file, referenceData points to version 4 of the Printer_Management process.