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# init(origin:itemCount:totalItemCount:metrics:)

Creates an event.

```
init(origin: String, itemCount: Int, totalItemCount: Int? = nil, metrics: [MetricsKey : any Sendable])
```

## Parameters

`origin`

A description of the event’s origin.

`itemCount`

The number of items processed so far.

`totalItemCount`

The total number of items being processed.

`metrics`

A dictionary of custom metrics values.

---

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