# Overview

Attribute Type Description
type string Message type. For notification messages value should be "Notification".
message string UUID of the notification message.
twin string UUID of the Twin.
event dictionary
List of Entries where an Entry update triggered the notification with details of the Entry update in form of key-value pairs.
Key Value
new_value Value of the Entry after the update.
old_value Value of the Entry before the update.
changed_ts Time at which the value of the Entry was changed. Measured in seconds (to three decimal places) that have elapsed since the Unix epoch (opens new window).
sent_ts timestamp Time at which the message was sent. Measured in seconds (to three decimal places) that have elapsed since the Unix epoch (opens new window).
subscription dictionary
Details of the subscription.
Attribute Type Description
topic string Name of the topic about which the notification is to be sent.
account string Account UUID.
validity_ts timestamp Time at which the subscription expires. Measured in seconds (to three decimal places) that have elapsed since the Unix epoch (opens new window).