const {TagBuilder, IotGateway} = require('kepserverex-js');
 
const tagBuilder = new TagBuilder({ namespace: 'Channel1.Device1' });
const iotGateway = new IotGateway({
  host: '192.168.0.1',
  username: 'administrator',
  password: 'superSecretPassowrd'
});
 
// Add read tags to tag builder
// ["Channel1.Device1.TankLevel","Channel1.Device1.TankLevel"]
const myTags = tagBuilder
    .read('TankLevel')
    .read('TankTemperature')
    .get();
 
//read tags from the iotgateway agent
iotGateway.read(myTags).then((data)=>{
    console.log(data);
});
 
//clean tags from tagsbuilder
tagBuilder.clean();
 
// Add write tags to builder.
// [ {id:"Channel1.Device1.ValveOpen","v":1}, {"id":"Channel1.Device1.PumpSpeed","v":80}]
const myTags = tagBuilder
    .write("ValveOpen",1)
    .write('PumpSpeed',80)
    .get();
 
iotGateway.write(myTags).then((data) => {
    console.log(data);
 });