multilevel_sensor_value_updated – gets sent to notify that multilevel sensor value has been changed
    event = "multilevel_sensor_value_updated",
    node_id = 1,
    class_id = 49,
    channel_id = 0,
    value = 10,
    scale = "lux",
    sensor_type = "illuminance"
fields type description
event string type of an event
node_id int a unique id of a ZWave device within a Zwave network
class_id int ZWave command class id (always 49 for this type of event)
channel_id int channel id
value float value
scale string value scale (one of supported for current item value type)
sensor_type string multilevel sensor type according to ZWave specification