local Player = game:GetService'Players'.LocalPlayer;
local UIS = game:GetService'UserInputService';

_G.JumpHeight = 50;

function Action(Object, Function) if Object ~= nil then Function(Object); end end

UIS.InputBegan:connect(function(UserInput)
    if UserInput.UserInputType == Enum.UserInputType.Keyboard and UserInput.KeyCode == Enum.KeyCode.Space then
        Action(Player.Character.Humanoid, function(self)
            if self:GetState() == Enum.HumanoidStateType.Jumping or self:GetState() == Enum.HumanoidStateType.Freefall then
                Action(self.Parent.HumanoidRootPart, function(self)
                    self.Velocity = Vector3.new(0, _G.JumpHeight, 0);
                end)
            end
        end)
    end
end)

--Notification so you know it activated
game.StarterGui:SetCore("SendNotification", {
Title = "Infinite Jump"; -- the title
Text = "Enabled!"; -- what the text says
--Icon = "rbxassetid://57254792"; -- the image if u want
Duration = 5; -- how long the notification should in secounds
})