The content of a push notification for the custom system notification, valid only for iOS devices.
Additional information of built-in system notifications. You can view additional information for different types of system notifications
the extension field of additional messages
Type of a built-in system notification
Whether messaging webhook is required for custom system notifications. The default value is true
Content of a custom system notification Note that the content must be a string that can be parsed in JSON
When the state of the built-in system notification is 'error', this field contains error information
Source of system notification, account or group ID
idServer of a built-in system notification
Whether a push notification is required
Custom extension fields for built-in system notifications stored in the local database.
Note: This field only exists when the database is running.
Whether a push notification is required with the nickname
Additional message of a system notification
Payload of a push notification for the custom system notification
Note that the payload must be in JSON string
Whether the built-in system notification is read
scenario for custom system notifications, refer to messaging scenario
Whether to deliver custom system notifications only to online users
true: only sent to online users, suitable for sending instant notifications, such as typing.
false: sent to offline users when they go online.
Note: This parameter is only valid for custom system notifications for private chats, and invalid for custom system notifications in group chats. Custom system notifications will only be sent to online group members and will not be stored for offline members.
State of a built-in system notification
Timestamp
Target of a system notification, account or group ID
Type of a system notification
System notification definition