String tenantDomain = “mytenant.com";
    String url = "https://localhost:9443/t/"+tenantDomain+"/registry";
    String userName = “admin@mytenant.com";

    String password = “admin";

    System.setProperty("carbon.repo.write.mode", "true");


    //Get the file which needs to be added to the registry
    File file = new File(“/home/bob/Desktop/myPayload.json");
    RemoteRegistry remote_registry = new RemoteRegistry(new URL(url), userName, password);

    //Import the file to config registry
    RegistryClientUtils.importToRegistry(file ,"/_system/config" ,remote_registry);

    //Export  from registry
    //RegistryClientUtils.exportFromRegistry(file ,"/_system/governance/SomePayload.json" ,remote_registry);