# Function: parseConnectionParamsFromString()

> 

> **parseConnectionParamsFromString**(`str`): `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:43](https://github.com/trpc/trpc/blob/7c907acfd8b31929214792e3b8c2ad7a8ac72563/packages/server/src/unstable-core-do-not-import/http/parseConnectionParams.ts#L43)

Parses connection params from JSON, as `parseConnectionParamsFromUnknown`
checks them.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `str` | `string` |

## Returns

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