# FillDirection

Fields, allowed values, and APIs that use FillDirection.

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

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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 FillDirection = 'up' | 'down' | 'left' | 'right';
```

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## Contracts containing this type

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