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.cursor/rules/roblox/en-us/chat/examples/rate-limit-public-text-inputs.md

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+---
+title: Rate-limited text inputs
+description: Learn how to implement a rate limit for any text field that might be used by players to conduct a conversation.
+---
+
+This example shows how to implement a rate limit of 1 minute on a text input field that allows players to post notes to a community bulletin board.
+
+Add the following to a `Class.Script` in `Class.ServerScriptService`:
+
+```lua title="Server"
+local Players = game:GetService("Players")
+local ReplicatedStorage = game:GetService("ReplicatedStorage")
+
+-- Create RemoteEvent for communication
+local postNoteEvent = Instance.new("RemoteEvent")
+postNoteEvent.Name = "PostNoteEvent"
+postNoteEvent.Parent = ReplicatedStorage
+
+-- Rate limit of one note per minute per player
+local COOLDOWN_TIME = 60 -- Time in seconds
+local lastPostTime = {}
+
+local function canPlayerPost(player)
+	local userId = player.UserId
+	local currentTime = tick()
+
+	if lastPostTime[userId] then
+		local timeSinceLastPost = currentTime - lastPostTime[userId]
+		if timeSinceLastPost < COOLDOWN_TIME then
+			return false, COOLDOWN_TIME - timeSinceLastPost
+		end
+	end
+
+	return true, 0
+end
+
+-- Handle post requests with rate limit and text filtering
+postNoteEvent.OnServerEvent:Connect(function(player, noteData)
+	local canPost, cooldown = canPlayerPost(player)
+
+	if not canPost then
+		postNoteEvent:FireClient(player, "cooldown", math.ceil(cooldown))
+		return
+	end
+
+	-- All text shared publicly must go through a text filter
+	local filterResult = getFilterResult(noteData.text, player.UserId)
+	if filterResult then
+		local success, filteredText = pcall(function()
+		return filterResult:GetNonChatStringForBroadcastAsync()
+	end)
+
+	if success then
+		-- Create the note
+		local note = {
+			text = filteredText
+		}
+		-- Update last post time
+		lastPostTime[player.UserId] = tick()
+
+		-- Send success response
+		postNoteEvent:FireClient(player, "success", note)
+
+		-- Broadcast new note to all players
+		postNoteEvent:FireAllClients("newNote", note)
+	else
+		warn("Error filtering text!")
+	end
+end)
+
+-- Clean up when player leaves
+Players.PlayerRemoving:Connect(function(player)
+	lastPostTime[player.UserId] = nil
+end)
+```