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   public function processPaymentUsingVault($customerVaultId, $totalAmount)
   {
       $data = [
           'security_key' => $this->securityKey,
           'customer_vault_id' => $customerVaultId,
           'amount' => $totalAmount,
       ];

       if ($this->production === false) {
           $data['test_mode'] = 'enabled';
       }

       $curl = curl_init();
       curl_setopt_array($curl, [
           CURLOPT_URL => $this->url,
           CURLOPT_RETURNTRANSFER => true,
           CURLOPT_POST => true,
           CURLOPT_POSTFIELDS => http_build_query($data),
           CURLOPT_SSL_VERIFYHOST => false,
           CURLOPT_SSL_VERIFYPEER => false,
       ]);
       $response = curl_exec($curl);
       curl_close($curl);

       if ($response === false) {
           return [
               'responsetext' => 'error',
               'error' => 'Payment processing failed',
           ];
       }

       \Log::info('NMI Payment Response: ' . $response);

       parse_str($response, $parsedResponse);

       return $parsedResponse;
   }

This method uses the customer’s vault ID to process a payment for the specified amount. It handles test mode and logs the payment response using Laravel’s info logging.