# fallbackRandIndex

> **fallbackRandIndex**(`length`): `number`

Defined in: [packages/synapse-core/src/utils/rand.ts:30](https://github.com/FilOzone/synapse-sdk/blob/f7cf64c2e5ba1e8fffcf44b11f88f3ef7958de8d/packages/synapse-core/src/utils/rand.ts#L30)

## Parameters

| Parameter | Type |
| ------ | ------ |
| `length` | `number` |

## Returns

`number`