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# chartSymbolSizeScale(domain:range:type:)

Configures the symbol size scale for charts.

```
nonisolated func chartSymbolSizeScale<Domain, Range>(domain: Domain, range: Range, type: ScaleType? = nil) -> some View where Domain : ScaleDomain, Range : ScaleRange, Range.VisualValue == CGFloat
```

## Parameters

`domain`

The possible data values plotted as symbol sizes in
the chart. You can define the domain with an array for
categorical values (e.g., `["A", "B", "C"]`)

`range`

The range of symbol size that correspond to the
scale domain.

`type`

The scale type.

---

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