> ## Documentation Index
> Fetch the complete documentation index at: https://dynamic-docs-feat-sidebar-revamp.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# onAuthInit

### Summary

This callback will be called when an authentication process initiates.

* For wallets, this is when signature is requested.
* For email and SMS, this is as soon as user provides the phone number or email address.
* For social, this is as soon as user selects a social provider.

### Usage

```TypeScript
<DynamicContextProvider
  settings={{
    events: {
      onAuthInit: (args) => {
        console.log('onAuthInit was called', args);
      }
    }
  }}
>
 {/* ... rest of your app ... */}
</DynamicContextProvider>
```

### Callback Argument Value

```TypeScript
{
  type: "email";
  email: string;
  isEmailRecoveryFlow?: boolean;
  // Same as "email"
  option: string;
} | {
  type: "social";
  provider: ProviderEnum;
  // Same as "provider"
  option: ProviderEnum;
} | {
  type: "wallet";
  address: string;
  connectorName: string;
  // Same as "connectorName"
  option: string;
} | {
  type: "sms";
  phone: PhoneData;
  // Same as "phone"
  option: PhoneData;
}
```

<Note>
  For details about ProviderEnum, see [here](/react-sdk/objects/verified-credential#providerenum)

  For details about PhoneData, see [here](/react-sdk/objects/phone-data)
</Note>