PeopleTools | Using Population Select on a run control page.
Process
Tip 015: Calling an App Engine from within PeopleCode
PeopleCode | Call an App Engine program immediately
Tip 012: Removing Stuck App Engine Run Controls
Application Engine | Deleting ‘stuck’ run controls due to a prior ‘No Success’
Tip 010: Create Process Request
PeopleCode | How to schedule a new process request