> For the complete documentation index, see [llms.txt](https://docs.caf.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.caf.io/caf-sdk/caf-sdk-pt-br/ios/standalone-modules/cafsmartauth/start-sdk.md).

# Iniciar Autenticação Inteligente

## Chamando verifyPolicy

Para iniciar a verificação de vivacidade, use o `verifyPolicy()` método com o ID do documento do usuário, o token móvel da sua conta e um `CafVerifyPolicyListener` fechamento.

| Parâmetro     | Tipo                                                                                                                       | Descrição                                                                                                                                                                                        | Obrigatório |
| ------------- | -------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | :---------: |
| `mobileToken` | String                                                                                                                     | Token de uso associado à sua conta CAF.                                                                                                                                                          |      ✅      |
| `personID`    | String                                                                                                                     | Identificador do usuário que realizará a verificação de vivacidade facial. Recomenda-se usar o documento de identificação do usuário neste campo, como o CPF, mas pode ser qualquer outro valor. |      ✅      |
| `listener`    | [CafVerifyPolicyListener](/caf-sdk/caf-sdk-pt-br/ios/standalone-modules/cafsmartauth/lifecycle.md#cafverifypolicylistener) | Fechamento que trata os eventos de tecla durante o processo de detecção de vivacidade do SDK.                                                                                                    |      ✅      |

### Exemplo

```swift
private func startSdk() {
    smartAuth?.verifyPolicy(
        personID: "userDocument",
        policyId: "myPolicyId",
        listener: setupListener()
    )
}

private func setupListener() -> CafVerifyPolicyListener {
    return { result in
        switch result {
        case .onSuccess(let response):
            print("CafVerifyPolicyListener.onSuccess autorizado: \(response.isAuthorized)")
            print("CafVerifyPolicyListener.onSuccess attestation: \(response.attestation)")
        
        case .onPending(let response):
            print("CafVerifyPolicyListener.onPending autorizado: \(response.isAuthorized)")
            print("CafVerifyPolicyListener.onPending attestation: \(response.attestation)")
        
        case .onError(let error):
            print("CafVerifyPolicyListener.onError falha: \(error.localizedDescription)")

        case .onCanceled(let error):
            print("CafVerifyPolicyListener.onCanceled falha: \(error.localizedDescription)")
        
        case .onLoading(let isLoading):
            print("CafVerifyPolicyListener.onLoading carregando: \(isLoading)")
        
        case .onLoaded(let isLoaded):
            print("CafVerifyPolicyListener.onLoaded carregado: \(isLoaded)")
        }
    }
}
```


---

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