CHAT MSG BN WHISPER

Fires when a battle.net friend whispers you. CHAT_MSG_BN_WHISPER: text, playerName, languageName, channelName, playerName2, specialFlags, zoneChannelID, channelIndex, channelBaseName, unused, lineID, guid, bnSenderID, isMobile, isSubtitle, hideSenderInLetterbox, supressRaidIcons