> ## Documentation Index
> Fetch the complete documentation index at: https://docs.portalhq.io/llms.txt
> Use this file to discover all available pages before exploring further.

# receiveTestnetAsset

> Request testnet assets for development.

## Function Signature

```dart theme={null}
Future<PortalFundResult> receiveTestnetAsset({
  required String chainId,
  required String amount,
  required String token,
})
```

## Description

Requests testnet assets for development and testing. This method only works on supported testnet networks.

## Parameters

| Parameter | Type     | Required | Description                              |
| --------- | -------- | -------- | ---------------------------------------- |
| `chainId` | `String` | Yes      | The testnet chain ID in CAIP-2 format    |
| `amount`  | `String` | Yes      | The amount to request                    |
| `token`   | `String` | Yes      | Token symbol (e.g., `"NATIVE"`, `"ETH"`) |

## Returns

**`PortalFundResult`** - An object containing:

| Property          | Type      | Description                         |
| ----------------- | --------- | ----------------------------------- |
| `success`         | `bool`    | Whether the request was successful  |
| `transactionHash` | `String?` | The transaction hash                |
| `error`           | `String?` | Error message if the request failed |

## Example

```dart theme={null}
import 'package:portal_flutter/portal_flutter.dart';

final portal = Portal();

// Request testnet ETH on Sepolia
final result = await portal.receiveTestnetAsset(
  chainId: 'eip155:11155111', // Sepolia
  amount: '0.01',
  token: 'NATIVE',
);

if (result.success) {
  print('Funded! TX: ${result.transactionHash}');
} else {
  print('Failed: ${result.error}');
}
```

### Monad Testnet

```dart theme={null}
final result = await portal.receiveTestnetAsset(
  chainId: 'eip155:10143', // Monad Testnet
  amount: '0.01',
  token: 'NATIVE',
);
```

## Supported Networks

| Network       | Chain ID          |
| ------------- | ----------------- |
| Sepolia       | `eip155:11155111` |
| Monad Testnet | `eip155:10143`    |

<Note>
  For other testnet tokens or networks, check the [testnet faucets page](../../../resources/testnet-faucets).
</Note>

## Errors

| Code                  | Description                      |
| --------------------- | -------------------------------- |
| `NOT_INITIALIZED`     | Portal was not initialized       |
| `FAUCET_ERROR`        | Failed to request testnet assets |
| `UNSUPPORTED_NETWORK` | The network is not supported     |

## Related

* [Send tokens guide](../guide/send-tokens)
* [sendAsset](./sendasset)