# showThemeRiverCrosshair

An asynchronous method. Check the argument and return types below.

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

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## Definition

```typescript
showThemeRiverCrosshair(series: number, column: number): Promise<boolean>
```

| Arguments | Type | Required |
| --- | --- | --- |
| `series` | `number` | Required |
| `column` | `number` | Required |

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

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## Related charts