Player.SendLua

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Function
Syntax	Player:SendLua( String txt )
Description:
Sends LUA command to player (Can be used to send Client Commands from Server to individual clients)
Returns:	nil
In Object:	Player
Realm:
BBCode Link:	[b][url=http://wiki.garrysmod.com/?title=Player.SendLua]Player.SendLua [img]http://wiki.garrysmod.com/favicon.ico[/img][/url][/b]

Examples

Description	Displays notify hud display saying "You removed the prop." This is what Garry's Mod uses to tell you when you delete something.
Used on
Code	function SendMessage ( user, text, sound ) user:SendLua("GAMEMODE:AddNotify(\"" .. text .. "\", NOTIFY_CLEANUP, 5); surface.PlaySound( \"" .. sound .. "\" )") end
Output	SendMessage(1, "You removed the prop.", "ambient/water/drip" .. math.random(1, 4) .. ".wav")

Be careful when using this function in conjunction with user input, because users can easily embed arbitrary lua strings in the input.
Calling this with no arguments crashes the server.