[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) › InferTaskDone

```ts
type InferTaskDone<TTask> =
  InferTaskErr<TTask> extends infer Errors
    ? Errors extends Done<infer D>
      ? D
      : never
    : never;
```

Defined in: [packages/common/src/Task.ts:913](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Task.ts#L913)

Extracts the done value type from a [NextTask](https://evolu.dev/docs/api-reference/common/Task/type-aliases/NextTask).