# `HoloBootError.constructor`

> Contract 2.0.0 · package sha256 `a857eca95b35921109faf997094bb4192f12527d9d0fcd4be7e97f06425bad6e` · generated from `configurator-runtime.d.ts` by `services/onsite-scripter/scripts/build-contract-docs.mjs`; edit the source, not this file.

Constructor of [`HoloBootError`](HoloBootError.md) · stable · since 2.0.0

```ts
constructor(reason: HoloBootError['reason'], message?: string, options?: {
  cause?: unknown;
});
```

Public so app tests can build one to drive their failure state.

**Default:** message a plain sentence for `reason`; options.cause undefined

## Generic-API test (spec 3.1)

| Rule | Result |
| --- | --- |
| 1. Neutral name | pass: `constructor` names no product |
| 2. A precedent | pass (through its owner [`HoloBootError`](HoloBootError.md)): [HTMLCanvasElement webglcontextcreationerror](https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/webglcontextcreationerror_event) (row `G49`) |
| 3. Two apps, or labs | pass: 28 apps (ledger: app-f9a32142f1, configurator-template; fleet cross-check: app-04c2774145, app-0c773a4ee3, app-37356bf09f, app-378d190f1b, app-4762caacdc, app-4f16d2f6da, app-4fd23bc869, app-510d750508 and 20 more) |
| 4. The cheaper fix first | decided per need in Appendix B: rows `G49` (through its owner [`HoloBootError`](HoloBootError.md)) at tier stable (a member only where no rule, data, asset or app code serves the need) |