The ability for triggers to remove hosts from groups, change their groups, disable hosts, or remove hosts would be very beneficial. Currently this is only supported via a discovery rule that only works if you scan an IP address.

What I'd like is a simple trigger like so:
mycheck.last(600)=0 then disable.host, move host to group lost.hosts

Why limit trigger actions to only sending out alerts or running an arbitrary script?

This came from the discussion at ZBXNEXT-1385. This would be very useful for those of us that work in a cloud environment and can't efficiently scan large IP ranges, and systems that use auto-registration exclusively.