# GridChartOptionKey

Fields, allowed values, and APIs that use GridChartOptionKey.

Canonical: https://grid.syidax.com/docs/types/GridChartOptionKey/

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## Type definition

A question mark (?) marks an optional field; readonly marks a value you should not change directly. A union (|) accepts one of the listed forms. Functions are callbacks that Grid invokes at the relevant point.

```typescript
export type GridChartOptionKey = "title" | "subtitle" | "legend" | "stacked" | "xAxisTitle" | "yAxisTitle" | "theme" | "background";
```

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## Contracts containing this type

- [GridChartEvent](https://grid.syidax.com/docs/types/GridChartEvent.md)