> For the complete documentation index, see [llms.txt](/llms.txt).

# Launch Wallet Services

The `launchWalletServices` method launches the templated wallet UI in WebView. The template wallet allows the user to view their account details, tokens, and additional features to interact with connected blockchain network.

## Parameters[​](#parameters "Direct link to Parameters")

The `launchWalletServices` method takes in `ChainConfig` as a required input.

- Table
- Class

| Parameter         | Description                                                              |
| ----------------- | ------------------------------------------------------------------------ |
| chainNamespace    | Custom chain namespace for the chain. Defaults to ChainNamespace.eip155. |
| decimals?         | Number of decimals for the native currency. Defaults to 18.              |
| blockExplorerUrl? | URL of the block explorer for the chain.                                 |
| chainId           | Chain ID of the chain.                                                   |
| displayName?      | Display name for the chain.                                              |
| logo?             | Logo URL for the chain.                                                  |
| rpcTarget         | RPC target URL for the chain.                                            |
| ticker?           | Ticker symbol for the native currency.                                   |
| tickerName?       | Name of the native currency.                                             |

```
class ChainConfig {
  final ChainNamespace chainNamespace;
  final int? decimals;
  final String? blockExplorerUrl;
  final String chainId;
  final String? displayName;
  final String? logo;
  final String rpcTarget;
  final String? ticker;
  final String? tickerName;

  ChainConfig({
    this.chainNamespace = ChainNamespace.eip155,
    this.decimals = 18,
    this.blockExplorerUrl,
    required this.chainId,
    this.displayName,
    this.logo,
    required this.rpcTarget,
    this.ticker,
    this.tickerName,
  });
}

```

## Usage[​](#usage "Direct link to Usage")

Usage

```
try {
  await Web3AuthFlutter.launchWalletServices(
    ChainConfig(
      chainId: "0x1",
      rpcTarget: "https://mainnet.infura.io/v3/$key",
    ),
  );
} on UserCancelledException {
  log("User cancelled.");
} catch(e) {
  log("Unknown exception occurred");
}

```