Module flow 

flow (SDK-017 R4): steps fired in order, each a routed request fed by the previous reply through {"$prev": "<JSON pointer>"} objects; the first failure stops the flow by index.

Functions

fill

input with every {"$prev": pointer} object replaced from prev.

flow

The flow tool over steps, answering every kept reply.

flow_answering

The flow tool over steps, at most the rail’s configured count; with last, only the last step’s reply is answered, as reply.