Making 'announcements' to specific user Groups?

[mitchellposluns]

Hi, we’re releasing new reports and dashboards to our users and we’d like to have an announcement inside the browser, something like an in-app popup that says “hey, we’ve shipped dashboard x!”

I see here we can make announcements in the sidebar: https://docs.looker.com/admin-options/tutorials/notify-users but it seems like its for all users. Is there any way to specify which user Groups can see this?

Thanks!