// Shows how to  request the increase the credit limit for a specified card
// This code assumes there is a REST endpoint 'api/card/updateLimit' on the bank application system

// REST call to the /api/card/updateLimit endpoint to request 
// an update to the customer's credit card limit
function updateCreditLimit(requestBody) {

  var request = new sn_ws.RESTMessageV2();
  request.setHttpMethod('post');
  request.setEndpoint('/api/card/updateLimit');
  request.setRequestBody(JSON.stringify(requestBody));
  var response = request.execute();

  var responseBody = response.getBody();
  var responseObj = JSON.parse(responseBody);

  return responseObj;
}

// The following is the data object sent to the /api/card/updateLimit endpoint
// to increase the credit limit for the card
var requestBody = {
  'cardNumber': 'xxxx-xxxx-xxxx-5896',
  'accountNumber': 'xxxxxxxxxxxx9590',
  'oldLimit': 'USD 5000',
  'newLimit': 'USD 10000',
  'requestType': 'Increase_limit',
};

updateCreditLimit (requestBody);