# showCrosshairAt

show the active cartesian family's crosshair at a data position (no `crosshairMove`); false outside the plot.

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

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## Definition

```typescript
showCrosshairAt(request: Bar3DCrosshairShowRequest): Promise<boolean>
```

| Arguments | Type | Required |
| --- | --- | --- |
| `request` | `Bar3DCrosshairShowRequest` | Required |

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

- [Bar3DCrosshairShowRequest](https://chart.syidax.com/docs/types/Bar3DCrosshairShowRequest.md) — Type definition

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## Related charts

- [sy-line-chart](https://chart.syidax.com/docs/components/line.md#method-showCrosshairAt)
- [sy-area-chart](https://chart.syidax.com/docs/components/area.md#method-showCrosshairAt)
- [sy-column-chart](https://chart.syidax.com/docs/components/column.md#method-showCrosshairAt)
- [sy-bar-chart](https://chart.syidax.com/docs/components/bar.md#method-showCrosshairAt)
- [sy-scatter-chart](https://chart.syidax.com/docs/components/scatter.md#method-showCrosshairAt)
- [sy-theme-river](https://chart.syidax.com/docs/components/theme-river.md#method-showCrosshairAt)
- [sy-parallel-coordinates](https://chart.syidax.com/docs/components/parallel-coordinates.md#method-showCrosshairAt)
- [sy-surface-3d](https://chart.syidax.com/docs/components/surface-3d.md#method-showCrosshairAt)
- [sy-bar-3d](https://chart.syidax.com/docs/components/bar-3d.md#method-showCrosshairAt)
- [sy-scatter-3d](https://chart.syidax.com/docs/components/scatter-3d.md#method-showCrosshairAt)
- [sy-gantt-chart](https://chart.syidax.com/docs/components/gantt.md#method-showCrosshairAt)