code: public static boolean setCustomResponseForDefaultClient(String profileName, String pathName, String customData) {
          try {
              return setCustomForDefaultClient(profileName, pathName, true, customData);
          } catch (Exception e) {
              e.printStackTrace();
          }
          return false;
      }
docs: set custom response for profile's default client
  
  @param profileName profileName to modify
  @param pathName friendly name of path
  @param customData custom request data
  @return true if success, false otherwise