# PictorialChartStreamSource

The PictorialChartStreamSource type declaration and related types. Optional fields are marked with ?.

Canonical: https://chart.syidax.com/docs/types/PictorialChartStreamSource/

<a id="declaration"></a>

## Type declaration

```typescript
export interface PictorialChartStreamSource {
  push(datum: PictorialBarDatum | number): void;
  pushBatch(data: ReadonlyArray<PictorialBarDatum | number>): void;
  shift(count: number): void;
  replace(data: ReadonlyArray<PictorialBarDatum | number>): void;
  snapshot(window?: number): PictorialBarDatum[];
  latest(): PictorialBarDatum | undefined;
  subscribe(listener: (event: PictorialChartStreamEvent) => void): () => void;
  readonly length: number;
}
```

<a id="related"></a>

## Related types

- [PictorialBarDatum](https://chart.syidax.com/docs/types/PictorialBarDatum.md)
- [PictorialChartStreamEvent](https://chart.syidax.com/docs/types/PictorialChartStreamEvent.md)