Enable your SPOT's XML feed for use with Follow My Challenge.
You can use your personal SPOT with Follow My Challenge's mapping services. This tutorial will help show you how establish your XML feed.
Login to you account here.
Select "XML feed" and then "create XML feed".
Complete all required fields. Ensure your device is selected (checked) and your XML page is set to "public".
Copy your XML feed ID. This random character XML feed ID is what you we need, in combination with your device's ESN number, to pull in the data.