diff --git a/Globals.lua b/Globals.lua
index 9da694f..ba414e9 100644
--- a/Globals.lua
+++ b/Globals.lua
@@ -1,5 +1,4 @@
 ---@meta
-
 ---@type Frame
 UIParent = {}
 
@@ -14,3 +13,58 @@ BattlefieldMinimapBackground = {}
 BattlefieldMinimapCloseButton = {}
 ---@type Frame
 BattlefieldMinimapCorner = {}
+
+---@type number
+NUM_CHAT_WINDOWS = 0
+
+---@param frame Frame
+---@return boolean
+FCF_IsValidChatFrame = function(frame) end
+
+---@param name string
+---@return boolean
+FCF_OpenNewWindow = function(name) end
+
+---@param name string
+---@return boolean
+FCF_OpenToChatFrame = function(name) end
+
+---@param frame Frame
+---@param messageGroup string
+---@return nil
+ChatFrame_AddMessageGroup = function(frame, messageGroup) end
+
+---@param frame Frame
+---@param messageGroup string
+---@return nil
+ChatFrame_RemoveMessageGroup = function(frame, messageGroup) end
+
+---@param frame Frame
+---@return nil
+ChatFrame_RemoveAllMessageGroups = function(frame) end
+
+---@param frame Frame
+---@param channel string
+---@return nil
+ChatFrame_AddChannel = function(frame, channel) end
+
+---@param frame Frame
+---@param channel string
+---@return nil
+ChatFrame_RemoveChannel = function(frame, channel) end
+
+---@param frame Frame
+---@return nil
+ChatFrame_RemoveAllChannels = function(frame) end
+
+-- Just simply chat frames, global variables
+---@type Frame
+ChatFrame1 = {}
+---@type Frame
+ChatFrame2 = {}
+---@type Frame
+ChatFrame3 = {}
+---@type Frame
+ChatFrame4 = {}
+---@type Frame
+ChatFrame5 = {}
diff --git a/api/SendChatMessage.lua b/api/SendChatMessage.lua
index 5473ead..c833fc4 100644
--- a/api/SendChatMessage.lua
+++ b/api/SendChatMessage.lua
@@ -19,5 +19,5 @@
 ---@param chatType channel
 ---Sends a chat message
 ---@overload fun(text: string, chatType: channel, languageIndex: number|nil)
----@overload fun(text: string, chatType: channel, languageIndex: number|nil, channel: string)
+---@overload fun(text: string, chatType: channel, languageIndex: number|nil, channel: number)
 function SendChatMessage(text, chatType, languageIndex, channel) end