How To Access Part In Workspace From Local Script

Basically how do I access a part in workspace from a local script in starter gui?

What I’ve tried

local player = game.Players.LocalPlayer

local replicatedStorage = game:GetService("ReplicatedStorage")

local RemoteEvent = game.ReplicatedStorage.RemoteEvent2

local parent1 = game.Workspace.Model.Model.WoodenChest.WoodenChestBillBoardGui.BillboardGui.ImageButton

script.parent1.MouseButton1Click:Connect(function(player)

RemoteEvent:FireServer()

end)

You should try adding a WaitForChild().

workspace:WaitForChild("Model"):WaitForChild("Model")

And so on