def METHOD_NAME(demo_id):
    """
    Read the DDL of the demo
    """
    resp = post(f'http://{HOST}/api/demoinfo/get_ddl', params={"demo_id": demo_id})
    if resp is None:
        print(f"Can't get the DDL of demo #{demo_id}!")
        return ""
    response = resp.json()
    if response['status'] != 'OK':
        print(f"ERROR: get_ddl returned KO for demo #{demo_id}")
    last_demodescription = response.get('last_demodescription')
    return last_demodescription.get('ddl')