Health Pickup/Healing Station Script (Roblox)

local MAX_HEALTH = 100
local ENABLED_TRANSPARENCY = 0.4
local DISABLED_TRANSPARENCY = 0.9
local COOLDOWN = 20

local healthPickupsFolder = workspace:WaitForChild("HealthPickups")
local healthPickups = healthPickupsFolder:GetChildren()

local function onTouchHealthPickup(otherPart, healthPickup)
    if healthPickup:GetAttribute("Enabled") then
        local character = otherPart.Parent
        local humanoid = character:FindFirstChildWhichIsA("Humanoid")
        if humanoid then
            humanoid.Health = MAX_HEALTH
            healthPickup.Transparency = DISABLED_TRANSPARENCY
            healthPickup:SetAttribute("Enabled", false)
            wait(COOLDOWN)
            healthPickup.Transparency = ENABLED_TRANSPARENCY
            healthPickup:SetAttribute("Enabled", true)
        end
    end
end

for _, healthPickup in ipairs(healthPickups) do
    healthPickup:SetAttribute("Enabled", true)
    healthPickup.Touched:Connect(function(otherPart)
        onTouchHealthPickup(otherPart, healthPickup)
    end)
end