API:GetSystemString

Returns string, translated to current locale, represented by system constant.

str = GetSystemString(system_constant)

Arguments

 * system_constant
 * string - system constant

Returns

 * str
 * string - translated string for given system constant

Example
DEFAULT_CHAT_FRAME:AddMessage(GetSystemString("Sys221591_name"))

Comments
Seems to do the same as API:TEXT