index.js

var sdk = require('aws-iot-device-sdk');


var shadow = sdk.thingShadow({
	keyPath: 'certs/private.pem.key',
	certPath: 'certs/certificate.pem.crt',
	caPath: 'certs/root-CA.crt',
	clientId: 'rmb-cid',
	region: 'us-east-1'
});

var clientTokenUpdate;

console.log('connecting to service')

shadow.on('connect', function() {

	console.log('connected to service')

	shadow.register('asdf');
	
	setTimeout(function() {
	  
		var state = {
			"state": {
				"desired": {
					"red":100
				}
			}
		};

		clientTokenUpdate = shadow.update('asdf', state);

		if(clientTokenUpdate === null) {
			console.log('update failed');
		}
		
	}, 2000);
	
});