Tagging @everyone is currently not possible.
For a workaround, you can tag the group name that has access or the user role to the channel. You can also create a group that everyone is part of (ex. Everyone) and use that to tag all.
Tagging @everyone is currently not possible.
For a workaround, you can tag the group name that has access or the user role to the channel. You can also create a group that everyone is part of (ex. Everyone) and use that to tag all.