How do I make damage show on the server and other client?

I have a simple raycasting gun, and on my screen it shows that I have damaged / killed an enemy, but on the other players screen nothing has happened. Here is the gun script:

--Variables
local player = game.Players.LocalPlayer
local mouse = player:GetMouse()
local tool = script.Parent
local equipped = false
local UserInputService = game:GetService("UserInputService")
local mouseDown = false
local canPlay = true
local mouse = game.Players.LocalPlayer:GetMouse()

local shootSound = tool.shoot
local reloadSound = tool.Reload
local equipSound = tool.Equip

local ammo = tool.Ammo.Value
local gui = tool.ak47Gui
local ammoLabel = gui.Frame.ammo
local reloading = false
--Gui invisible
gui.Parent = nil

--Setting up full auto
mouse.Button1Down:Connect(function() 
    mouseDown = true
end)
mouse.Button1Up:Connect(function()
    mouseDown = false
end)

--Setting up equipped / unequipped variables
tool.Equipped:Connect(function(mouse)
    equipSound:Play()
    equipped = true
    gui.Parent = player.PlayerGui

end)
tool.Unequipped:Connect(function(mouse)
    equipped = false
    gui.Parent = nil
end)

--Key Press Functions
UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if input.UserInputType == Enum.UserInputType.Keyboard and equipped == true then --Reload Function
        local keyPressed = input.KeyCode
        if keyPressed == Enum.KeyCode.R and reloading == false then
            reloading = true
            canPlay = false
            print("reloading!")
            reloadSound:Play()
            wait(2.5)
            ammo = 30
            canPlay = true
            reloading = false
        end
    end
    if input.UserInputType == Enum.UserInputType.MouseButton2 and equipped == true then --Aim Function

    end
end)

--Equipped Functions
tool.Equipped:Connect(function()
    while true do
        if reloading == false then
            ammoLabel.Text = ammo --Updating Gui Text
        else
            ammoLabel.Text = "Reloading" --Updating Gui Text
        end
        wait()
        if mouseDown then --Shooting
            if equipped then
                if canPlay then
                    if ammo >= 1 then
                        canPlay = false

                        local randomnum = math.random(1.5)-1
                        local randomvector = Vector3.new(randomnum,randomnum,randomnum) --Spread

                        local ray = Ray.new(tool.shootPart.CFrame.p, (mouse.Hit.p + randomvector - tool.shootPart.CFrame.p).unit * 300)
                        local part, position = workspace:FindPartOnRay(ray, player.Character, false, true)

                        local beam = Instance.new("Part", workspace) --Creating Ray
                        beam.BrickColor = BrickColor.new("Brick yellow")
                        beam.FormFactor = "Custom"
                        beam.Material = "Neon"
                        beam.Transparency = 0.5
                        beam.Anchored = true
                        beam.Locked = true
                        beam.CanCollide = false

                        local distance = (tool.shootPart.CFrame.p - position).magnitude
                        beam.Size = Vector3.new(0.1, 0.1, distance)
                        beam.CFrame = CFrame.new(tool.shootPart.CFrame.p, position) * CFrame.new(0, 0, -distance / 2)

                        game:GetService("Debris"):AddItem(beam, 0.1)

                        if part then
                            local humanoid = part.Parent:FindFirstChild("Humanoid") --Checks for person

                            if not humanoid then
                                humanoid = part.Parent.Parent:FindFirstChild("Humanoid") --Checks for person
                            end

                            if humanoid then
                                humanoid:TakeDamage(24) --Damages
                            end
                        end


                        shootSound:Play() --Play sound

                        ammo = ammo - 1 --Subtract ammo


                        wait(0.1) --Firerate
                        canPlay = true
                    elseif reloading == false then --Reload Function
                        reloadSound:Play()
                        reloading = true
                        wait(2.5)
                        ammo = 30
                        canPlay = true
                        reloading = false
                    end
                end
            end
        end
    end
end)

This is inside of a local script in side of the gun. Any help is appreciated :)