project-meteor-server/data/scripts/effects/decoy.lua

require("modifiers")
require("battleutils")

--This is the untraited version of decoy.
function onPreAction(effect, caster, target, skill, action, actionContainer)
    --Evade single ranged or magic attack
    --Traited allows for physical attacks
    if target.allegiance != caster.allegiance and (skill.isRanged or action.actionType == ActionType.Magic) then
        --Set action's hit rate to 0
        action.hirRate = 0.0;

        --Remove status and add message 
        actionContainer.AddAction(target.statusEffects.RemoveStatusEffectForBattleAction(effect));
    end

end;