CHAT MSG SYSTEM

Fired when a system chat message (they are displayed in yellow) is received. CHAT_MSG_SYSTEM: text, playerName, languageName, channelName, playerName2, specialFlags, zoneChannelID, channelIndex, channelBaseName, unused, lineID, guid, bnSenderID, isMobile, isSubtitle, hideSenderInLetterbox, supressRaidIcons