How do I subscribe to the event of a device going offline or coming online in a smartapp?

Sujit_Vasanth · December 15, 2020, 10:34pm

I know I can get the Hub status of a device by using device.status in groovy but how do I subscribe to that event?

nayelyz · December 18, 2020, 6:12pm

Hi there! You could use the SmartApp SDK (Simple SmartApp tutorial).
The example below shows a subscription to the health events of all the devices in a location. When a device status changes from online to offline or vice versa, you’ll receive an event to the handler with this information:

{
  eventId: 'xxxx-xxxx-xxxx',
  locationId: 'xxxx-xxxx-xxxx',
  deviceId: 'xxxx-xxxx-xxxx',
  hubId: 'xxxx-xxxx-xxxx',
  status: 'ONLINE',
  reason: 'NONE'
}

gist.github.com

https://gist.github.com/nayelyzarazua-bluetrail/b92139903e869b5229ebf63b2947be2c

server.js

'use strict';

const express = require('express');
const bodyParser = require('body-parser');
const SmartApp = require('@smartthings/smartapp');
require('dotenv').config();

const server = module.exports = express();
server.use(bodyParser.json());

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For more information about the configuration page and settings options, see this document

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How do I subscribe to the event of a device going offline or coming online in a smartapp?

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