Knowing when a device is sending data or inactive can be valuable to malfunction possibilities in your IoT infrastructure, connection errors, or low battery. With Ubidots, you can create an alert when a device or data source is inactive alerting your immediately to a possible impending outage.

Go to Data tab and select Events option.

Click on the ‘+’ icon to create a new event

Then, choose a device's variable:

To create this alert based on inactivity, tell Ubidots which variable you want to trigger when inactive and for how long should a device be inactive before it is a possible malfunction. 

Go the Then actions tab to select the type of alert you want (SMS, Email, Telegram, Slack, and/or WebHook)

Pro Tip: you can insert the name of the device and variable to identify the equipment that presented a disconnection and take the proper action. For a more detailed explanation about how alerts work, and the options available to display in the message, please refer to the following guide Events: Creating Conditional Events and Alerts

Finally, set the name and the activity window when the events should/shouldn't be executed and save.