# Function: isOctetType()

> 

> **isOctetType**(`input`): input is Uint8Array\<ArrayBuffer\> \| Blob

Defined in: packages/client/dist/index.d.mts:15

Whether an input is binary: a `Uint8Array`, `Blob` or `File`.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `input` | `unknown` |

## Returns

input is Uint8Array\<ArrayBuffer\> \| Blob