you can then set notifications for each group you create
or join
tap the three dots top right
and set each group you join/create to have a different notification tone
@opie 🤣
tbh it's on my todo list buddy 😉
right now though my wee chromebook keeps kicking me of the groups and CoSo if i have both open /shrugzzzz
and i kinda need CoSo open to open groups 😆
PSA
i will be posting more useful group tips and tricks inside "CoSo Tips And Tricks" group as i find them