code: private boolean isSendEmail(Map<String, String> map) {
          return StringUtils.hasText(map.get(RequestElements.REQ_PARAM_ENTITY_SELECTOR))
                  && map.get(RequestElements.REQ_PARAM_ENTITY_SELECTOR).equalsIgnoreCase(RequestElements.PARAM_SEND_SELECTOR);
      }
docs: Method returns true if this request should be send as email
  @param map
  @return