How do members add the calendar?
Send them the link from the Share button. It opens a page that picks the right button for their phone and, under it, step-by-step instructions for Apple, Android, and desktop calendars. Nobody needs an account or an app.
Google Calendar on a phone
Google Calendar only adds a calendar by link from a computer. The subscribe page shows a Copy button on Android so the address can be pasted into Google Calendar’s “From URL” page in a browser; once added, it appears in the phone app too.
Why aren’t all my events on the GroupMe calendar?
By default Sideline puts each event on the group’s GroupMe calendar or Discord Events tab a week before it happens, so the chat gets one calendar message at a time. Settings → Group chat lets you put the whole schedule on right away, or turn the chat’s events off.
A change hasn’t shown up on someone’s phone
Calendar apps refresh subscriptions on their own schedule, sometimes hours apart. The feed itself updates the moment you save. For anything urgent, post in the group chat too; with GroupMe connected, Sideline does that for changes inside the coming week, and with Discord for every change, with the event card under it so members can tap Interested.
Something looks wrong
Tell us what you did, what you expected, and what happened instead. If a page shows an error message, copy it into the email.