You can add the device yourself from the web UI of your Thinka. Click "Add Device" at the top of the page, and follow the instructions. You can see the screenshots of the instructions for a sample device as follows. These steps might differ from device to device.
Click "Start" Button
Now turn Z-Wave device in to inclusion mode and then wait for Thinka finding device
Press "Submit" button
For secure Z-Wave devices it needs to be entered PIN which is the first 5 digit of DSK. Otherwise this screen will not appear.
Now device has been added successfully. Now you can set the name and room by typing "Set name and room" button or just keep the name and room as default by clicking "Done" button