# GridChartTypeRefusalReason

Fields, allowed values, and APIs that use GridChartTypeRefusalReason.

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

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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 GridChartTypeRefusalReason =
  "variant-datum-shape" | "single-value-shape" | "stage-shape" | "unknown-chart-type";
```

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## Contracts containing this type

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