# `Runic.Workflow.Events.MapReduceTracked`
[🔗](https://github.com/zblanco/runic/blob/main/lib/workflow/events/map_reduce_tracked.ex#L1)

Event emitted when a step in a fan-out pipeline tracks its result
for downstream fan-in coordination.

# `t`

```elixir
@type t() :: %Runic.Workflow.Events.MapReduceTracked{
  fan_out_fact_hash: term(),
  fan_out_hash: term(),
  result_fact_hash: term(),
  source_fact_hash: term(),
  step_hash: term()
}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*