How to teleport players to another map or something like that?

I don't know pretty much coding so I need some help. And is this correct?

player = game.Players.Player 
target = Vector3.new(20, 10, 20) 
 
function fadeTo(a, b, c)
	for transparency = a, b, c do
	
 
		for _, part in pairs(player.Character:GetChildren()) do
		
 
			if part:IsA("BasePart") then
			
 
				part.Transparency = transparency
				
			end
		end
		wait(0.1)
	end
end
 
fadeTo(0, 1, 0.1) 
player.Character.Torso.CFrame = target 
fadeTo(1, 0, -0.1)