How to give a player velocity?

Help and Feedback Scripting Support
#1

im trying to make a script so when you click a part it moves up and flings you up too but when i run it, nothing happens. im not getting any errors either

up = false

local function onClicked(player)
	if up == false then
		up = true
		player.Character.HumanoidRootPart.AssemblyLinearVelocity = Vector3.new(0, 85, 0)
		for i = 1, 2 do
			script.Parent.CFrame = script.Parent.CFrame * CFrame.new(0,3.28,0)
			wait()
		end
		wait(0)
		for i = 1, 8 do
			script.Parent.CFrame = script.Parent.CFrame * CFrame.new(0,-0.82,0)
			wait(0)
		end
		wait(0.2)
		up = false
	end
end

script.Parent.ClickDetector.MouseClick:Connect(onClicked)
#2

You cannot give player’s character a velocity from a server script, because the network ownership of player character is on the client. You can fire a remote event and do the HumanoidRootPart.AssemblyLinearVelocity part in a local script.