def METHOD_NAME(notebook, volume):
    """
    Add the provided podvolume (dict V1Volume) to the Notebook's PodSpec.
    notebook: Notebook CR dict
    volume: Podvolume dict
    """
    podspec = notebook["spec"]["template"]["spec"]
    if "volumes" not in podspec:
        podspec["volumes"] = []
    podspec["volumes"].append(volume)
    return notebook