# CartesianSeriesTooltipInput

The CartesianSeriesTooltipInput type declaration and related types. Optional fields are marked with ?.

Canonical: https://chart.syidax.com/docs/types/CartesianSeriesTooltipInput/

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## Type declaration

```typescript
export interface CartesianSeriesTooltipInput {
  format?: (value: number, context: CartesianTooltipFormatContext) => string;
  pointFormat?: string;
  pointFormatter?: (context: CartesianTooltipFormatContext) => string;
  valuePrefix?: string;
  valueSuffix?: string;
  valueDecimals?: number;
  xDateFormat?: string;
}
```

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## Related types

- [CartesianTooltipFormatContext](https://chart.syidax.com/docs/types/CartesianTooltipFormatContext.md)