# getRunningTotal

The waterfall's running total after its last step (the value a total bar stands to); `undefined` on any other type.

Canonical: https://chart.syidax.com/docs/methods/getRunningTotal/

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## Definition

```typescript
getRunningTotal(): Promise<number | undefined>
```

Return type: `Promise<number | undefined>`. Call the method after element registration and await its Promise result.

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## Related charts

- [sy-waterfall-chart](https://chart.syidax.com/docs/components/waterfall.md#method-getRunningTotal)