[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) › RunEventData

```ts
type RunEventData =
  RunEventDataChildAdded | RunEventDataChildRemoved | RunEventDataStateChanged;
```

Defined in: [packages/common/src/Task.ts:1909](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Task.ts#L1909)

Event-specific payload of a [RunEvent](https://evolu.dev/docs/api-reference/common/Task/interfaces/RunEvent).