code: public static base_responses enable(nitro_service client, lbmonitor resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			lbmonitor enableresources[] = new lbmonitor[resources.length];
  			for (int i=0;i<resources.length;i++){
  				enableresources[i] = new lbmonitor();
  				enableresources[i].servicename = resources[i].servicename;
  				enableresources[i].servicegroupname = resources[i].servicegroupname;
  				enableresources[i].monitorname = resources[i].monitorname;
  			}
  			result = perform_operation_bulk_request(client, enableresources,"enable");
  		}
  		return result;
  	}
docs: Use this API to enable lbmonitor resources.