World of Warcraft API

=== Communication ===
These are functions communicate with other players. Also see the [[#Channel]] and [[#Chat Window]] sections.
:{{id|API|DoEmote}}("emote",["target"]) - Perform a voice emote.
:{{id|API|GetDefaultLanguage}}("[[unitId|unit]]") - Returns the default language that the unit is speaking after logon.
:{{id|API|GetLanguageByIndex}}(index) - Returns the language specified by the index.
:{{id|API|GetNumLanguages}}() - Returns the number of languages your character can speak. (renamed from 'GetNumLaguages' 2.4)
:{{id|API|GetRegisteredAddonMessagePrefixes}}(table) - Returns a table, or you can pass in a table, that will be filled in with all prefixes that were registered. (added 4.1)
:{{id|API|IsAddonMessagePrefixRegistered}}(prefix) - Returns a Boolean if the prefix has been registered. (added 4.1)
:{{id|API|RandomRoll}}(low, high) - Does a random roll between the two values.
:{{id|API|RegisterAddonMessagePrefix}}(prefix) - Register the addon prefix to enable the [[Events/C#CHAT_MSG_ADDON|CHAT_MSG_ADDON]] event. Returns a boolean if successful could fail if it hits the client side limit of 512 prefixes. (added 4.1)
:{{id|API|SendAddonMessage}}("prefix", "text", "type" [, "player"]) - Sends a message to hidden AddOn channels. (added 1.12)
:{{id|API|SendChatMessage}}("msg",[ "chatType",[ "language",[ "channel"]]]) - Sends a chat message.