can someone tell me why this command is no working

[hasty surge]

local Pad = game.workspace.laserPad
local humi = game.workspace.Humanoid

local function yassir()

humi.Health = 0

end

Pad.OnToched:Connect(yassir)

[unreal copper]

https://www.youtube.com/watch?v=V9NxvxndAZw&list=PLhieaQmOk7nIfMZ1UmvKGPrwuwQVwAvFa&index=14

look there is tutorial how to make kill part

[dapper atlas]

local PartTokill = game.Workspace.PartToKill

local Success,err = pcall(function()

end)

PartTokill.Touched:Connect(function(hit)
    local Humanoid = hit.Parent:FindFirstChild("Humanoid")

    if not Humanoid then
        return
    end
    Humanoid.Health = 0 or nil

end)

if Success == true then
    wait(1)
    print("All Work",'',"PartKill")
    Success = nil
else
    print("Err - ",err)
end```

[onyx owl]

** You are now Level 1! **

[stable cedar]

nice pcall ngl 🙏