code: public static void setWhiteListDomains(List<String> whiteListDomains) {
  		WhitelistDomainRequest request = new WhitelistDomainRequest(
  				whiteListDomains, DomainActionType.ADD);
  		FbBotMillNetworkController.postThreadSetting(request);
  	}
docs: Adds a list of domains that needs to be "white listed".
  
  @param whiteListDomains
  the list of domains in String.
  @see <a href=
  "https://developers.facebook.com/docs/messenger-platform/thread-settings/domain-whitelisting"
  >Facebook's Messenger Platform Domain Whitelisting Thread Settings
  Documentation</a>