Harvesting from trees and rock chuncks

[DocDude]

I have a worker unit i want to allow only workers to harvest woods and rocks, this is done by hitting a rock/tree until it dies.
the thing i need help with is:

how do i know what type of unit attacked and killed the dooded (so i can limit it only to workers)?
also, is there a way that i can manage the amount of damage the worker inflects to the tree or rock, and only for them, based on items/upgrades he has?

 

[Pharaoh_]

• ((Killing unit) is a Peon-type unit) Equal to True

This is "Boolean comparison", "Unit - Unit classification check".

Damage inflicted to the destructibles, yes, via Harvest ability: "Data - Damage dealt".

 

[DocDude]

I tried the condition and its not working, i think the "Killing unit" dosnt apllays when the dying thing is a dooded.

 

[Myre]

Give the workers an attack that only targets debris, then make those units debris, and remove debris targeting for other units. Well, you can use any other targeted as thing you want, that's just what I would do.