code: public String get_campaign_v2(Map<String, Object> data) {
          String id = data.get("id").toString();
          return get("campaign/" + id + "/detailsv2/", EMPTY_STRING);
      }
docs: /*
  Get a particular campaign detail.
  @param {Object} data contains json objects as a key value pair from HashMap.
  @options data {Integer} id: Unique Id of the campaign [Mandatory]