It appears from your question that you think a RemoteEvent can only fire by a local script asking the server to accomplish a task but not the other way around.
Both remotes (RemoteFunction & RemoteEvent) are capable of having a local script tell the server to accomplish a task and having the server tell a local script to accomplish a task. However, the RemoteEvent is capable of having all clients (the computer running the local script) do a task the server asked for.
Due to your question referring to RemoteEvents specifically, I will give you an example of a RemoteEvent causing the server to tell a local script to accomplish a task:
03 | local Players = game:GetService("Players") |
05 | local welcomePlayerEvent = Instance.new("RemoteEvent") |
06 | welcomePlayerEvent.Parent = game.ReplicatedStorage |
07 | welcomePlayerEvent.Name = "WelcomePlayerEvent" |
09 | local function onPlayerAdded(player) |
10 | welcomePlayerEvent:FireClient(player) |
13 | Players.PlayerAdded:Connect(onPlayerAdded) |
18 | local Players = game:GetService("Players") |
19 | local ReplicatedStorage = game:GetService("ReplicatedStorage") |
21 | local player = Players.LocalPlayer |
22 | local welcomePlayerEvent = ReplicatedStorage:WaitForChild("WelcomePlayerEvent") |
23 | local playerGui = player:WaitForChild("PlayerGui") |
25 | local welcomeScreen = Instance.new("ScreenGui") |
26 | welcomeScreen.Parent = playerGui |
27 | local welcomeMessage = Instance.new("TextLabel") |
28 | welcomeMessage.Size = UDim2.new(0, 200, 0, 50) |
29 | welcomeMessage.Parent = welcomeScreen |
30 | welcomeMessage.Visible = false |
31 | welcomeMessage.Text = "Welcome to the game!" |
33 | local function onWelcomePlayerFired() |
34 | welcomeMessage.Visible = true |
36 | welcomeMessage.Visible = false |
39 | welcomePlayerEvent.OnClientEvent:Connect(onWelcomePlayerFired) |
The above example is taken directly from the Roblox Developer Hub. If you would like to learn more about Remotes, such as RemoteFunctions yielding and RemoteEvents not yielding but being able to fire all clients, please check this link.
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