# chartSymbolSizeScale(_:) Configures the symbol size scale for charts. ``` nonisolated func chartSymbolSizeScale(_ mapping: KeyValuePairs) -> some View where DataValue : Plottable ``` ## Parameters `mapping` Maps data categories to symbol sizes. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)