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, languageID, lineID, guid, bnSenderID, isMobile, isSubtitle, hideSenderInLetterbox, supressRaidIcons
==Payload==