code: public void updateInternetScsiAuthenticationProperties(String iScsiHbaDevice, HostInternetScsiHbaAuthenticationProperties authenticationProperties, HostInternetScsiHbaTargetSet targetSet)
          throws HostConfigFault, NotFound, RuntimeFault, RemoteException {
          getVimService().updateInternetScsiAuthenticationProperties(getMOR(), iScsiHbaDevice, authenticationProperties, targetSet);
      }
docs: SDK4.0 signature