[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Task](https://evolu.dev/docs/api-reference/common/Task) › EachCallback

```ts
type EachCallback<TTasks> = (
  result: InferTasksResult<TTasks>,
  index: number,
) => EachDecision;
```

Defined in: [packages/common/src/Task.ts:4572](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Task.ts#L4572)

Handles one settled [Task](https://evolu.dev/docs/api-reference/common/Task/type-aliases/Task) [Result](https://evolu.dev/docs/api-reference/common/Result/type-aliases/Result) from [each](https://evolu.dev/docs/api-reference/common/Task/functions/each).

The index is the original input index. Callback order follows settlement
order, not input order.