code: public static base_response disable(nitro_service client, servicegroup resource) throws Exception {
  		servicegroup disableresource = new servicegroup();
  		disableresource.servicegroupname = resource.servicegroupname;
  		disableresource.servername = resource.servername;
  		disableresource.port = resource.port;
  		disableresource.delay = resource.delay;
  		disableresource.graceful = resource.graceful;
  		return disableresource.perform_operation(client,"disable");
  	}
docs: Use this API to disable servicegroup.