Starts a customer's payment instrument vendor backfill once it becomes a
Victor customer. The id is the RouteFusion hook's, so the two triggers share
one run. Signal-with-start: a running backfill is signalled to plan once
more, a closed one runs again (a re-run skips every vendor id stored).
Starts a customer's payment instrument vendor backfill once it becomes a Victor customer. The id is the RouteFusion hook's, so the two triggers share one run. Signal-with-start: a running backfill is signalled to plan once more, a closed one runs again (a re-run skips every vendor id stored).