# Function: parseConnectionParamsFromUnknown()

> 

> **parseConnectionParamsFromUnknown**(`parsed`): `null` \| [`Dict`](https://trpc.io/docs/typedoc/server/index/type-aliases/Dict.md)\<`string`\>

Defined in: [packages/server/src/unstable-core-do-not-import/http/parseConnectionParams.ts:9](https://github.com/trpc/trpc/blob/7c907acfd8b31929214792e3b8c2ad7a8ac72563/packages/server/src/unstable-core-do-not-import/http/parseConnectionParams.ts#L9)

Checks that connection params are an object of strings, or `null`.
Throws a `PARSE_ERROR` if they aren't.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `parsed` | `unknown` |

## Returns

`null` \| [`Dict`](https://trpc.io/docs/typedoc/server/index/type-aliases/Dict.md)\<`string`\>