# HelixSpec

HelixSpec is the class that gets returned by the `createSpec()` function.

### Usage

```js
const Dinosaur = createSpec({
  id: faker.datatype.number(),
  name: faker.name.firstName(),
  location: faker.address.country(),
});
// Returns a HelixSpec
```

### Arguments

| Argument | Type     | Description                                                      |
| -------- | -------- | ---------------------------------------------------------------- |
| `shape`  | `object` | Object containing key/value pairs to construct the fixture data. |

### Methods

HelixSpec contains a handful of methods:

- [extend](./extend.md)
- [beforeGenerate](./beforeGenerate.md)
- [generate](./generate.md)
- [afterGenerate](./afterGenerate.md)
- [seed](./seed.md)