An Ability Trigger

[mrpandemonium]

I am making a map and one of my heroes is gonna have an ability where whenever he kills a hero he i supposed to get and extra gold and his attribute each go up one.
ive gotten started on this trigger but dont know wat im doing.
I have the event
A unit dies

and this condition so far
((triggering unit) is a hero) equal to ((triggering unit) is dead)

thats it so far

i dont know if this is right plz help