# DensityMapStreamEvent

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

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

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## Type declaration

```typescript
export interface DensityMapStreamEvent {
  type: 'push' | 'pushBatch' | 'shift' | 'replace';
  count: number;
  points: ReadonlyArray<DensityMapPoint>;
}
```

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## Related types

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