Portal access vs. notifications

I have granted some people portal access but can't find the pathway to have notfications of new bookings sent to another email or sms. Where do I find that? I kind of think it should be on the same page as Portal Access..

Are you thinking of the Third-Party Alerts?

https://www.ownerrez.com/support/articles/bookings-display-for-cleaners#third-party-alerts