# GridEngineTier

Fields, allowed values, and APIs that use GridEngineTier.

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

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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 GridEngineTier = 'standard' | 'pro';
```

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## APIs using this type

- [getActiveTier](https://grid.syidax.com/docs/methods/getActiveTier.md) — Reads the actual active processing tier, which may differ from the requested engine mode.
- [queryComplete](https://grid.syidax.com/docs/events/queryComplete.md) — Emitted when an engine query completes. Read results and actual execution tier from detail for performance and result feedback.

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## Contracts containing this type

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