.. _doxcsid-interface_p1_1_1_camera_sdk_1_1_i_notification_event_1ab4c86d8fa329b57205eb1c4d5252889d: INotificationEvent.PropertyId Property ++++++++++++++++++++++++++++++++++++++ Definition """""""""" *Namespace:* ``P1.CameraSdk`` If this notification is a *property changed* type, this holds the Id that was changed .. ref-code-block:: csharp :class: doxyrest-overview-code-block public UInt32? PropertyId { get; } The Id of the property that was changed, or ``null``