To make the parser work you have to register your lua functions by using the lua_register() in your source code.
example:
/* IP_SetEquipText(Slot, Text[]) Sets the description text that appears if the item is highlighted in the equipment screen. This should specify what it does when equipped. */ lua_register(pLuaState, "IP_SetEquipText", &Hook_IP_SetEquipText);
the multiline comment above the lua_register will be shown as a tooltip in the auto-completer menu.
By default, the program includes an examples. These are stored in the "Data/fuctions.xml". Users are free to clean the file and parse their own project (options->auto-completer).