{PageContext::$response->success_message}
{if PageContext::$response->error_message}
{PageContext::$response->error_message}
{/if}

You can import leads using a CSV file. Please download the Sample CSV and keep the headers same as form field labels when you format/update it and make sure that you are separating the values by '{PageContext::$response->separator}' when there are multiple values.

{PageContext::$response->jsonRules}
{PageContext::$response->jsonMessages}