How to Save and Load a Shed Using the API

app.on("loaded", async function () {
    console.log("Ready");
    await app.load("J6Gui1kGUHJ/0");
    const id = await app.getHash();
    console.log("Loaded shed id: " + id);
    const shed = await app.toJson();
    console.log("Shed: ", shed.width, shed.height, shed.length);

    // Make some changes to the shed using the UI
    
    // Save the changes & get the latest id
    await app.save();
    const id2 = await app.getHash();
    console.log("Loaded shed id: " + id2);
});