How do you measure the lengh of the chat?

Basicly I wanna fire the amount of numbers in the chat and for each letter it should add a second to the lengh.

I cant find anything online.

game.Players.PlayerAdded:connect(function(player)
	player.Chatted:Connect(function(msg)
		local length = string.len(msg)
		game.ReplicatedStorage.ChatEvent.ChatAnimation:FireClient()
	end)
end)

Script

game.Players.PlayerAdded:connect(function(player)
	player.Chatted:Connect(function(msg)
		game.ReplicatedStorage.ChatEvent.ChatAnimation:FireClient(#msg)
	end)
end)

LocalScript

repeat
    wait()
until game.Players.LocalPlayer

player = game.Players.LocalPlayer
character = player.Character
if not character then
    character = player.CharacterAdded:wait()
end

humanoid = character:WaitForChild("Humanoid")
s = humanoid:LoadAnimation(game.StarterPack.OnChatAnimation.ChatAnim)

game.ReplicatedStorage.ChatEvent.ChatAnimation.OnClientEvent:Connect(function(msg)
	s:Play(msg)
end)

game.Players.PlayerAdded:connect(function(player)
    player.Chatted:Connect(function(msg)
        game.ReplicatedStorage.ChatEvent.ChatAnimation:FireClient(#msg * 0.2) -- passes in the total length of time
    end)
end)

In the script above, you simply take the number of characters in msg by using the # symbol. Then, multiply that by the amount of time per character.

#msg * 0.2 is 0.2 seconds per character.

Then inside your OnClientEvent:Connect(function()... you can receive the parameter by doing this: OnClientEvent:Connect(function(time)....

Hope this helps.