State Records
A state record is a PeopleSoft record that must be created and maintained by the Application Engine developer. This record defines the fields a program uses to pass values from one action to another. Think of the fields of the Application Engine state record as the working storage for your Application Engine program.
An Application Engine state record can be either a physical record or a work record, and you can associate any number of state records with a program. You must key physical state records by process instance.