Lua Create item help

[nevix]

iteminfo = {x= 32348, y=32222, z=7}
local item = doCreateItem(1431,1,iteminfo)
doSetItemActionId(item, 25002)
doSendMagicEffect(iteminfo, CONST_ME_TELEPORT)

It is sign, how can i write into the sign?

 

[Limos]

doSetItemText(item, "Your Text")