# HeatmapStreamEvent

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

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

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## Type declaration

```typescript
export interface HeatmapStreamEvent {
  readonly type: HeatmapStreamEventType;
  readonly count: number;
  readonly cells: ReadonlyArray<HeatmapDatum>;
}
```

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## Related types

- [HeatmapStreamEventType](https://chart.syidax.com/docs/types/HeatmapStreamEventType.md)
- [HeatmapDatum](https://chart.syidax.com/docs/types/HeatmapDatum.md)