# TreemapDrillChangeEventDetail

TreemapDrillChangeEventDetail 타입 선언과 관련 타입입니다. 선택 필드는 ?로 표시됩니다.

Canonical: https://chart.syidax.com/ko/docs/types/TreemapDrillChangeEventDetail/

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## 타입 선언

```typescript
export interface TreemapDrillChangeEventDetail { rootId: string | null; previousRootId: string | null; by: TreemapSelectionSource }
```

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## 관련 타입

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