How Do I Make My Tool Only Damage The Player If The Tool Is Activated?

Help and Feedback Scripting Support
1

local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)

script.Parent.Handle.Touched:Connect(function(touch)

if script.Parent.CanDamage.Value == true then

	if not touch.Parent:FindFirstChild("Humanoid") then return end

	script.Parent.CanDamage.Value = false
	
	local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)
	touch.Parent.Humanoid:TakeDamage(plr.leaderstats.Power.Value)

	if touch.Parent.Humanoid.Health < 1 then
		
		local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)
		plr.leaderstats.Kills.Value = plr.leaderstats.Kills.Value + 1

	end

	wait(1)

		script.Parent.CanDamage.Value = true
end

end)

2 
local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)

script.Parent.Handle.Touched:Connect(function(touch)
if script.Parent.Parent:FindFirstChild("your tool name") then
if script.Parent.CanDamage.Value == true then

	if not touch.Parent:FindFirstChild("Humanoid") then return end

	script.Parent.CanDamage.Value = false
	
	local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)
	touch.Parent.Humanoid:TakeDamage(plr.leaderstats.Power.Value)

	if touch.Parent.Humanoid.Health < 1 then
		
		local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)
		plr.leaderstats.Kills.Value = plr.leaderstats.Kills.Value + 1

	end

	wait(1)

		script.Parent.CanDamage.Value = true
end
end

end)

try this

3 
local plr = game.Players:GetPlayerFromCharacter(script.Parent.Parent)

script.Parent.Activated:Connect(function() -- On mouse click when equipped
   for _, p in pairs(script.Parent.Handle:GetTouchingParts()) -- Go through all parts it's touching
      if p.Parent:FindFirstChild("Humanoid") then -- If the player is hitting a HumanoidModel then

         p.Parent.Humanoid:TakeDamage(plr.leaderstats.Power.Value) -- Damage humanoid

         if touch.Parent.Humanoid.Health =< 0 then 
            plr.leaderstats.Kills.Value = plr.leaderstats.Kills.Value + 1 -- Add a kill
         end

         break -- so you dont accidently damage the same person multiple times or another person
      end
   end
end)