Unify Network bandwitdh sensor

Found the Unify Network integration
It shows me cpu/mem/temp OK, but It would be neat to have the long term bandwidth up/down. (unifi itself keeps the graph only for 1 day with any detail)
I do not even want client specific, just the overall, but I figure that would be the WAN port bandwidth monitor.

So the manual tells me to activate the bandwidth sensor on page 3 of configuration, see image. But I am not finding it?

I am looking in the wrong place probably, does anyone want to help me out?

I have a UDM pro which has 8 switching ports. The WAN port shows as port 9.