With Insteon+ and Insteon Hub, you can control both Insteon-native devices as well as HomeKit-compatible devices. Use the steps in this article to add an Insteon device to Insteon+ using the Insteon ID of your new Insteon device.
If you encounter issues while attempting to add an Insteon device, see this article for basic troubleshooting steps.
Tap the + in the upper right corner to open the Extend your Home sheet.
Tap Add a Device
Tap Add Insteon
Ensure that your new Insteon device is connected to power.
Enter the 6-digit Insteon ID found on your new Insteon device. Learn where to find your device's Insteon ID.
Finish up by giving your device a name, picking an icon and adding it to a room.