code: public static base_responses send(nitro_service client, arp resources[]) throws Exception {
  		base_responses result = null;
  		if (resources != null && resources.length > 0) {
  			arp sendresources[] = new arp[resources.length];
  			for (int i=0;i<resources.length;i++){
  				sendresources[i] = new arp();
  				sendresources[i].ipaddress = resources[i].ipaddress;
  				sendresources[i].td = resources[i].td;
  				sendresources[i].all = resources[i].all;
  			}
  			result = perform_operation_bulk_request(client, sendresources,"send");
  		}
  		return result;
  	}
docs: Use this API to send arp resources.