API C FriendList.SetFriendNotesByIndex

Sets the note text for a friend. C_FriendList.SetFriendNotesByIndex(index, "notes")

Arguments

 * index : number - index of the friend, up to (max 100). Note that status changes can re-order the friend list, indices are not guaranteed to remain stable across events.
 * notes : string - the text that the friends note will be set to, up to 48 characters, anything longer will be truncated.