require "storage"
storage.set_table("ItemData", {
        name = "xyz",
        type = "switch"
    })

storage.set_table("SomeData", {
        name = "xyz",
        [1] = true,
        [3] = false,
        [true] = {
            [1.1] = 7
        }
    })

local result = storage.get_table("SomeData")
print(result.name)       -- output: xyz
print(result[1])         -- output: true
print(result[true][1.1]) -- output: 7