Lua Creating not existing floor

[pszczelaszkov]

I need to make automated builiding houses but i have problem with roofs.
Because when i try:

position={x=981,y=1082,z=6,stackpos=0}
doCreateItem(724,position)

I cant create a ground because this tile not exist.

[Error - Action Interface] 
data/actions/scripts/test.lua:onUse
Description: 
(luaDoCreateItem) Tile not found

Is there any way to do it in lua or i must add new function in c++ that creates a tile?

 

[pszczelaszkov]

bump

 

[pszczelaszkov]

c'mon i know you can help me ;D

 

[Dominik ms]

doCreateTile(id, pos) --by mock.