When your church turns it on, confirm the spots you're given — or flag ones you can't make.
An admin enables this in Rota → requirements → "Let the team accept or decline".
Once on, tap your own spot on the rota and choose Accept this spot or Can't make it. Your chip then shows a ✓ (confirmed) or ✗ (declined), and leaders can see at a glance who's replied. Change your mind any time. It's offline-first, like everything else.