# StreamChunkType

# ~~Type Alias: StreamChunkType~~

```ts
type StreamChunkType = AGUIEventType;
```

Defined in: [packages/ai/src/types.ts:933](https://github.com/TanStack/ai/blob/main/packages/ai/src/types.ts#L933)

Stream chunk/event types (AG-UI protocol).

## Deprecated

Use `EventType` enum instead.