https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=319193&highlight=&sid=5e589ad2974ba8466d6629ff0bf56add
DD-WRT :: View topic - Why won't this script run in the Command screen
https://developer.valvesoftware.com/w/index.php?title=Team_Fortress_2/Scripting/Script_Functions/EmitSoundEx&action=edit
View source for Team Fortress 2/Scripting/Script Functions/EmitSoundEx - Valve Developer Community