# visualMap

a visual map binding (a `sy-visual-map` snapshot + the data dimension), forwarded to the cartesian family.

Canonical: https://chart.syidax.com/docs/options/visualMap/

<a id="definition"></a>

## Definition

| Item | Value |
| --- | --- |
| JavaScript property | `visualMap` |
| HTML attribute | Pass objects, arrays, and callbacks as JavaScript properties |
| Type | `VisualMapBinding \| null` |
| Default | `undefined` |

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

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

<a id="related"></a>

## Related documentation

A property with the same name may have different types and defaults across charts. When using a direct tag, follow that chart's documentation below.

- [Shared facade and direct tags](https://chart.syidax.com/docs/concepts.md)
- [sy-line-chart](https://chart.syidax.com/docs/components/line.md#property-visualMap)
- [sy-area-chart](https://chart.syidax.com/docs/components/area.md#property-visualMap)
- [sy-column-chart](https://chart.syidax.com/docs/components/column.md#property-visualMap)
- [sy-bar-chart](https://chart.syidax.com/docs/components/bar.md#property-visualMap)
- [sy-scatter-chart](https://chart.syidax.com/docs/components/scatter.md#property-visualMap)
- [sy-bubble-chart](https://chart.syidax.com/docs/components/bubble.md#property-visualMap)
- [sy-heatmap](https://chart.syidax.com/docs/components/heatmap.md#property-visualMap)
- [sy-calendar-heatmap](https://chart.syidax.com/docs/components/calendar-heatmap.md#property-visualMap)
- [sy-density-map](https://chart.syidax.com/docs/components/density-map.md#property-visualMap)
- [sy-spectrogram](https://chart.syidax.com/docs/components/spectrogram.md#property-visualMap)