"SAY"
Speech to nearby players (/say).
"EMOTE"
Text emote to nearby players (/em) (Use DoEmote("action") for voice emotes)
"YELL"
Yell to not so nearby players (/yell).
"PARTY"
Message to party members (/p)
"GUILD"
Message to guild members (/g)
"OFFICER"
Message to guild officers (/o)
"RAID"
Message to raid members (/raid)
"RAID_WARNING"
Warning to raid members (/rw)
"INSTANCE_CHAT"
Message to battleground instance group (/i)
"BATTLEGROUND"
Message to battleground raid group (/bg)
"WHISPER"
Message to a specific other player (/whisper) - для значения параметра channel используется имя игрока.
"CHANNEL"
Message to a specific chat channel (/1,/2,...) - для значения параметра channel используется номер канала