Asset Saving via Lua

[reepblue]

I'm trying to make an editor extension that'll create new files from the editor. I'm working on a "Create New Material" function, but I get an error with the Save command saying it expects usedata type and not a string, although I feel like this code is correct.

local extension = {}

function CreateNewMaterial()
    local file = RequestFile("Select Material Location", "", "Ultra Engine Material File (*.mat):mat", 0, true)
    if file ~= nil then
        local mat = CreateMaterial()
        if mat ~= nil then
            mat:SetColor(1,1,1,1)
            local shaderfamily = LoadShaderFamily("Shaders/PBR.fam")
            if shaderfamily then
                mat:SetShaderFamily(shaderfamily)
                shaderfamily = nil
            end
            mat:Save(file);
        end
    end
end

function extension.hook(event, extension)
    if event.id == EVENT_WIDGETACTION then
        if event.source == extension.menuitem then
            CreateNewMaterial()
        end
    end
end

--------------------------------------------------------------------
-- Add menu item
--------------------------------------------------------------------

local menu = program.menu:FindChild("Create", false)
if menu ~= nil then
    local submenu = menu:FindChild("Asset", false)
    if submenu == nil then
        submenu = CreateMenu("Asset", menu)
    end
    extension.menuitem = CreateMenu("Material", submenu)
end

ListenEvent(EVENT_WIDGETACTION, extension.menuitem, extension.hook, extension)

I also tried making a table and saving it, but it didn't work ether.

        local a = ctable()
        a["material"] = nil
        a["material"]["shaderFamily"] = "Shaders/PBR.fam"
        SaveTable(a, file)

What am I doing wrong here?

[Josh]

I just had the command exposed incorrectly in the Lua binding code. It's fixed in the editor now and the fix is uploaded.