[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<T> =
  InferTaskErr<T> extends infer Errors
    ? Errors extends Done<infer D>
      ? D
      : never
    : never;
```

Defined in: [packages/common/src/Task.ts:509](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Task.ts#L509)

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