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// other fields omitted\n\n    override fun onCreate(savedInstanceState: Bundle?) {\n        super.onCreate(savedInstanceState)\n\n        // Reference the AccessCheckoutEditText view\n        val cvcAccessCheckoutView: AccessCheckoutEditText = findViewById<AccessCheckoutEditText>(R.id.card_flow_text_cvc);\n\n        // other view references omitted\n\n        // Initialize the AccessCheckoutClient\n        val sessionResponseListener = MySessionResponseListener()\n\n        val accessCheckoutClient = AccessCheckoutClientBuilder()\n            .baseUrl(baseUrl)\n            .checkoutId(checkoutId)\n            .context(this)\n            .sessionResponseListener(sessionResponseListener)\n            .lifecycleOwner(this)\n            .build()\n\n        // Create the validation configuration\n        val cvcValidationListener = CvcValidationListener()\n\n        val cvcValidationConfig = CvcValidationConfig.Builder()\n            .cvc(cvcAccessCheckoutView)\n            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\"TARGET_BASE_URL\";\n    private String checkoutId = \"YOUR_CHECKOUT_ID\";\n\n    // other fields omitted\n\n    @Override\n    protected void onCreate(Bundle savedInstanceState) {\n        super.onCreate(savedInstanceState);\n\n        // Reference the AccessCheckoutEditText view\n        AccessCheckoutEditText cvcAccessCheckoutView = findViewById<AccessCheckoutEditText>(R.id.card_flow_text_cvc);\n\n        // other view references omitted\n\n        // Initialize the AccessCheckoutClient\n        SessionResponseListener sessionResponseListener = new MySessionResponseListener();\n\n        final AccessCheckoutClient accessCheckoutClient = new AccessCheckoutClientBuilder()\n                .baseUrl(baseUrl)\n                .checkoutId(checkoutId)\n                .context(this)\n                .sessionResponseListener(sessionResponseListener)\n                .lifecycleOwner(this)\n                .build();\n\n        // Create the validation configuration\n        AccessCheckoutCvcValidationListener cvcValidationListener = CvcValidationListener();\n\n        CvcValidationConfig cvcValidationConfig = CvcValidationConfig.Builder()\n                .cvc(cvcAccessCheckoutView)\n                .validationListener(cvcValidationListener)\n                .build();\n\n        // Initialize validation using the client\n        accessCheckoutClient.initialiseValidation(cvcValidationConfig);\n\n    }\n\n}\n"},"children":[]}]}]},{"$$mdtype":"Tag","name":"hr","attributes":{},"children":[]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":[{"$$mdtype":"Tag","name":"strong","attributes":{},"children":["Next steps"]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":[{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"/products/checkout/android/cvc-only"},"children":["Create a CVC session"]}]}]},"headings":[{"value":"CVC validation","id":"cvc-validation","depth":1},{"value":"Get 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