You do not have to use the legacy API for an update function. Same for the graphics function.

local function funcUpdate(i,x,y,s,nt)

end

local function funcGraphics(i, colr, colg, colb)

end

elements.property(ELEM, "Update", funcUpdate)

elements.property(ELEM, "Graphics", funcGraphics)

--ChargedCreeper 16:26, 4 May 2015 (BST)