> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# JSONRPCSuccessResponse<TResult>

> Shape of a JSON-RPC 2.0 successful response.

Shape of a JSON-RPC 2.0 successful response. Returned from [`WebRTCCall.execute`](/docs/browser-sdk/v4/reference/webrtc-call/execute) and [`executeMethod`](/docs/browser-sdk/v4/reference/webrtc-call/execute-method) on success.

## **Type Parameters**

| Type Parameter | Default type |
| -------------- | ------------ |
| `TResult`      | `unknown`    |

## **Properties**

**`error`** `undefined`

Always absent on success responses (typed for union discrimination).

---

**`id`** `string` — required

ID matching the original request.

---

**`jsonrpc`** `"2.0"` — required

JSON-RPC protocol version. Always `"2.0"`.

---

**`result`** `TResult` — required

Method-specific result payload.

---

> Shape of a JSON-RPC 2.0 successful response.