---
title: "chartSymbolScale(mapping:)"
framework: swiftui
role: symbol
role_heading: Instance Method
path: "swiftui/view/chartsymbolscale(mapping:)"
---

# chartSymbolScale(mapping:)

Configures the symbol scale for charts.

## Declaration

```swift
nonisolated func chartSymbolScale<DataValue, S>(mapping: @escaping (DataValue) -> S) -> some View where DataValue : Plottable, S : ChartSymbolShape

```

## Parameters

- `mapping`: Maps data categories to symbol shapes.

## See Also

### Symbol scales

- [chartSymbolScale(_:)](swiftui/view/chartsymbolscale(_:).md)
- [chartSymbolScale(domain:)](swiftui/view/chartsymbolscale(domain:).md)
- [chartSymbolScale(domain:range:)](swiftui/view/chartsymbolscale(domain:range:).md)
- [chartSymbolScale(domain:mapping:)](swiftui/view/chartsymbolscale(domain:mapping:).md)
- [chartSymbolScale(range:)](swiftui/view/chartsymbolscale(range:).md)