<VersionWarning version="0.1" />

# waitForUserOperationReceipt

Waits for the User Operation to be included on a block (one confirmation), and then returns the User Operation Receipt.

:::warning
If you are getting `WaitForUserOperationReceiptTimeoutError`. Use custom timeout in transport, please see the [FAQs](/references/permissionless/faqs#getting-waitforuseroperationreceipttimeouterror) for more information.
:::

## Usage

:::code-group
```ts [example.ts]
import { bundlerClient } from "./client"

const receipt = await bundlerClient.waitForUserOperationReceipt({
    hash: "0x3c037f957fde5d87e35d5b8582f6c274343bcf3bc0e010d72fc2de0e27f4a6aa"
})
/**
 * {
 *  "userOpHash": "0x3c037f957fde5d87e35d5b8582f6c274343bcf3bc0e010d72fc2de0e27f4a6aa",
 *  "sender": "0x277F6C1D8d4faFA3d8DcC837489cd69d86c682BA",
 *  "nonce": 3n,
 *  "actualGasUsed": 437678n,
 *  "actualGasCost": 1584749056877268n,
 *  "success": true,
 *  "logs": [
 *    ...
 *  ],
 *  "receipt": {
 *    ...
 *  },
 *  "logsBloom": "0x00000400000200000000000100000000400000000000000000000000020000000008000022000000000200110000000004108000000000000000020000000000000001000000000002000000000002800000000000000000000100000001000000000008180000000000000000000000000000000200804080800000000000000000000000000000000000000020001000001200000480000000000000000000200000000000000008400000000400000000800400000408000002000000004000000020000000000001001000040000000000000000800000108000000000000000000000020080000000000800000000000000002000004000000820120000",
 *  "status": "0x1",
 *  "effectiveGasPrice": 24163152145n
 *  }
 * }
 */
```

```ts [client.ts]
import { createClient, http } from 'viem'
import { sepolia } from 'viem/chains'
import { bundlerActions } from 'permissionless'

export const bundlerClient = createClient({ 
  chain: sepolia,
  transport: http("https://api.pimlico.io/v2/sepolia/rpc?apikey=YOUR_API_KEY_HERE")
}).extend(bundlerActions)
```
:::

## Returns

* **Type:** `UserOperationReceipt`

The receipt of the User Operation.

## Parameters

### hash

* **Type:** `Hash`

The User Operation hash.

### pollingInterval (optional)

* **Type:** `number`

Polling frequency (in ms). Defaults to the client's `pollingInterval` config

### timeout (optional)

* **Type:** `number`

Optional timeout (in milliseconds) to wait before polling is stopped.

## JSON-RPC Method

[`eth_estimateUserOperationGas`](https://eips.ethereum.org/EIPS/eip-4337#rpc-methods-eth-namespace)