[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:912](https://github.com/evoluhq/evolu/blob/dd96d79f1dbe9a49fa12ce8e0aa7d3d0177795ca/packages/common/src/Task.ts#L912)

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