-- radiodialogtest.lua
local def = {
    {
        type = "radio", key = "row1", title = "KeysUp ValuesUp", values =
        {
            ["Key1_Val1"] = "Val1", ["Key2_Val2"] = "Val2", ["Key3_Val3"] = "Val3", ["Key4_Val4"] = "Val4",
        },
        default = "Key1_Val1"
    },{
        type = "radio", key = "row2", title = "KeysDown ValuesDown", values =
        {
        ["Key4_Val4"] = "Val4", ["Key3_Val3"] = "Val3", ["Key2_Val2"] = "Val2", ["Key1_Val1"] = "Val1",
        },
        default = "Key1_Val1"
    },{
        type = "radio", key = "row3", title = "KeysUp ValuesDown", values =
        {
            ["Key1_Val4"] = "Val4", ["Key2_Val3"] = "Val3", ["Key3_Val2"] = "Val2", ["Key4_Val1"] = "Val1", 
        },
        default = "Key1_Val4"
    },{
        type = "radio", key = "row4", title = "KeysDown ValuesUp", values =
        {
            ["Key4_Val1"] = "Val1", ["Key3_Val2"] = "Val2", ["Key2_Val3"] = "Val3", ["Key1_Val4"] = "Val4", 
        },
        default = "Key1_Val4"
    }
}

res = LuaDialog.Dialog ("Radio Buttons Order", def):run()
print("row1:" .. res["row1"])
print("row2:" .. res["row2"])
print("row3:" .. res["row3"])
print("row4:" .. res["row4"])