Help with hitboxes needed

Help and Feedback Scripting Support
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#1

hallo guys, making game like tsb and making hitbox, and found one problem

i wanna find value inside character that hitted and detect is value false or true, if value is false then no damage, but if value is true, hitbox does damage

idk how to do that plz help, here a script with my hitboxes

local module = require(game.ReplicatedStorage.MuchachoHitbox)

local right_event = script.Parent.m1_local.right_arm
local left_event = script.Parent.m1_local.left_arm

local slow_speed = 7
local wait_speed = 0.5

local damage_per_hit = 3

local hum = script.Parent:WaitForChild("Humanoid")
local right_arm = script.Parent:WaitForChild("Right Arm")
local left_arm = script.Parent:WaitForChild("Left Arm")

local char = script.Parent.Parent

right_event.OnServerEvent:Connect(function()
	
	local hitbox_right = module.CreateHitbox()
	hitbox_right.Size = right_arm.Size
	hitbox_right.CFrame = right_arm
	
	hitbox_right.Visualizer = true -- vizualize hitbox itself
	
	local params = OverlapParams.new()
	params.FilterDescendantsInstances = {script.Parent}
	params.FilterType = Enum.RaycastFilterType.Exclude
	
	hitbox_right.OverlapParams = params

	hitbox_right.Touched:Connect(function(hit, hum)
		hum:TakeDamage(damage_per_hit)
	end)

	hitbox_right:Start()
	
	hum.WalkSpeed = slow_speed
	wait(wait_speed)
	hum.WalkSpeed = game.StarterPlayer.CharacterWalkSpeed
	hitbox_right:Stop()
end)

left_event.OnServerEvent:Connect(function()
	
	local hitbox_left = module.CreateHitbox()
	hitbox_left.Size = left_arm.Size
	hitbox_left.CFrame = left_arm
	
	hitbox_left.Visualizer = true -- vizualize hitbox itself
	
	local params = OverlapParams.new()
	params.FilterDescendantsInstances = {script.Parent}
	params.FilterType = Enum.RaycastFilterType.Exclude

	hitbox_left.OverlapParams = params
	
	hitbox_left.Touched:Connect(function(hit, hum)
		hum:TakeDamage(damage_per_hit) 
	end)
	
	hitbox_left:Start()
	 
	hum.WalkSpeed = slow_speed
	wait(wait_speed)
	hum.WalkSpeed = game.StarterPlayer.CharacterWalkSpeed
	hitbox_left:Stop()
end)