# isContentEncodingBinary

**Kind:** Function

**Source:** [`src/adapter/aws-lambda/handler.ts`](https://github.com/honojs/hono/blob/main/src/adapter/aws-lambda/handler.ts#L672)

**Part of:** [Adapter](subsystem-src-adapter)

## Signature

```ts
function isContentEncodingBinary(contentEncoding: string | null)
```

## Parameters

| Name | Type |
|---|---|
| `contentEncoding` | `string | null` |