trigger help!

[Haddadio]

i want a trigger that kills all units of a player once a specific unit dies like a tag game where a sheep/treant dies everything dies! this is what i got


Events:
Unit - A unit owned by Player 1 (Red) Dies
Conditions:
(Unit-type of (Dying unit)) Equal to King
Actions:
??? i found
Unit - Kill ... but cant find anything that im looking for

 

[Epimeliad]

try unit group- pick all units belonging to (player) of (type)
-Unit kill (picked units)