Teamspeak TS 3 LUA Script - mtG Checker - This script was made for my friend to use on a german public TS server.

init.lua

function mtGChecker(serverConnectionHandlerID)
	local mtGCheckerPrefix = "[mtGChecker]"
	local oldNick = ts3.getClientSelfVariableAsString(serverConnectionHandlerID, ts3defs.ClientProperties.CLIENT_NICKNAME)
	-- ts3.printMessageToCurrentTab("SID: "..serverConnectionHandlerID)
	ts3.setClientSelfVariableAsString(serverConnectionHandlerID, ts3defs.ClientProperties.CLIENT_NICKNAME, "Lore")
	-- wsleep(0.1)
	local error = ts3.flushClientSelfUpdates(serverConnectionHandlerID)
	if error == ts3errors.ERROR_client_nickname_inuse then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=red]Lore ist gerade online![/color][/b]")
	elseif error ~= ts3errors.ERROR_ok then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=green]Lore ist gerade offline![/color][/b]")
	else
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=grey]Onlinestatus von Lore unbekannt![/color][/b]")
	end
	wsleep(0.1)
	ts3.setClientSelfVariableAsString(serverConnectionHandlerID, ts3defs.ClientProperties.CLIENT_NICKNAME, "Kev")
	-- wsleep(0.1)
	local error = ts3.flushClientSelfUpdates(serverConnectionHandlerID)
	if error == ts3errors.ERROR_client_nickname_inuse then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=red]Kev ist gerade online![/color][/b]")
	elseif error ~= ts3errors.ERROR_ok then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=green]Kev ist gerade offline![/color][/b]")
	else
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=grey]Onlinestatus von Kev unbekannt![/color][/b]")
	end
	wsleep(0.1)
	ts3.setClientSelfVariableAsString(serverConnectionHandlerID, ts3defs.ClientProperties.CLIENT_NICKNAME, "Sling")
	-- wsleep(0.1)
	local error = ts3.flushClientSelfUpdates(serverConnectionHandlerID)
	if error == ts3errors.ERROR_client_nickname_inuse then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=red]Sling ist gerade online![/color][/b]")
	elseif error ~= ts3errors.ERROR_ok then
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=green]Kev ist gerade offline![/color][/b]")
	else
		ts3.printMessageToCurrentTab(mtGCheckerPrefix.." [b][color=grey]Onlinestatus von Kev unbekannt![/color][/b]")
	end
	wsleep(0.1)
	ts3.setClientSelfVariableAsString(serverConnectionHandlerID, ts3defs.ClientProperties.CLIENT_NICKNAME, oldNick)
	-- wsleep(0.1)
	ts3.flushClientSelfUpdates(serverConnectionHandlerID)
end