Can I use a third-party add-on/plugin if my Garmin device doesn't have the skiing/snowboarding activity profile?

Based on the experiences reported by users, our understanding is that this doesn't always work because they label the activities as "Other" by default, or because the Garmin device doesn't store the "proper elevation information".

Reaching out to the add-on/plugin's developer for support could be worth a shot to see if they have any advice.