# SideBarPanelId

Fields, allowed values, and APIs that use SideBarPanelId.

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

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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 SideBarPanelId = 'columns' | 'filters';
```

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## APIs using this type

- [toolPanelToggled](https://grid.syidax.com/docs/events/toolPanelToggled.md) — Emitted when column/filter tool panel visibility changes.

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## Contracts containing this type

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