.. _vnx.opc_ua.monitored_item_t:

vnx.opc_ua.monitored_item_t
===========================

.. cpp:namespace:: vnx::opc_ua::monitored_item_t

Struct
------

Describes a monitored item as part of a subscription to an OPC-UA server.
See :ref:`vnx.opc_ua.subscription_t`.



Fields
------


.. cpp:member:: monitoring_mode_e monitoring_mode = REPORTING

	See :ref:`vnx.opc_ua.monitoring_mode_e`.

.. cpp:member:: double sampling_interval = 250

.. cpp:member:: bool discard_oldest = true

.. cpp:member:: int queue_size = 1

.. cpp:member:: node_id_t id

	The node to monitor.
	See :ref:`vnx.opc_ua.node_id_t`.

.. cpp:member:: bool monitor_changes = true

.. cpp:member:: TopicPtr output_data

	An optional topic on which to publish data changes as a :ref:`vnx.opc_ua.DataChange` object.