By default, a process instance step emits a
process step instance change event each time the step changes status, as described in
About EDA Predefined Process Event Types. If you want the emitted EDA event to contain business data from within the step, you must designate logged fields for the step:
For information about the location and contents of the XSD schema that contains logged fields as business data, see
About Process Event Schemas.
For information about how to designate logged fields, see
Log Inputs and Outputs.