The runnable examples cover basic fan-out, long-lived and short-lived parents, partitioning across parents, and durable back pressure.
GET /patterns/parallel-subflows/start/basic?workflowId={workflowId}GET /patterns/parallel-subflows/start/long-lived-parent?workflowId={workflowId}GET /patterns/parallel-subflows/start/short-lived-parent?workflowId={workflowId}GET /patterns/parallel-subflows/start/submit?workflowId={workflowId}
The Flow and Step definitions are in flows.go.