Open GUI when clicking part?

This is what I have:

function onClicked(playerWhoClicked)
	local player = game.Players:GetPlayerFromCharacter(playerWhoClicked.Parent);
	player.PlayerGUI.Elevator.Frame.Visible = true;
end
 
script.Parent.ClickDetector.MouseClick:connect(onClicked)

I just want the GUI to be visible when you click the part.

You don't need to get the player from character. MouseButton1Click returns the actual player object on click.

function onClicked(playerWhoClicked)
    playerWhoClicked.PlayerGui.Elevator.Frame.Visible = true; -- Spelling error on PlayerGui
end

script.Parent.ClickDetector.MouseClick:Connect(onClicked)

Any questions? Leave them in the comments. Thanks!