Roblox Script Generated by ScripterAI

"How to create a boss timer system that spawns in a boss every 30 minutes and a gui button shows up in hen boss spawns"

-- server script (ServerScriptService) 
local bossSpawner = game.Workspace.BossSpawner
local bossModel = game.ServerStorage.BossModel
local BossSpawned = Instance.new("BoolValue")
BossSpawned.Name = "BossSpawned"
BossSpawned.Parent = game.ReplicatedStorage

while true do
    wait(1800) -- 30 minutes
    local boss = bossModel:Clone()
    boss.Parent = game.Workspace
    boss:SetPrimaryPartCFrame(bossSpawner.CFrame)
    BossSpawned.Value = true
    
    -- You can add a custom function to remove the boss after it's defeated or after a certain time
    wait(600) -- 10 minutes
    boss:Destroy()
    BossSpawned.Value = false
end

-- local script (inside the GUI button) 
local button = script.Parent
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local BossSpawned = ReplicatedStorage:WaitForChild("BossSpawned")

local function updateButton()
    if BossSpawned.Value then
        button.Visible = true
    else
        button.Visible = false
    end
end

BossSpawned.Changed:Connect(updateButton)
updateButton() -- Call once to set the initial state

button.MouseButton1Click:Connect(function()
    -- Add code to handle what happens when the player clicks the button
end)