.. _vnx.opc_ua.Server:

vnx.opc_ua.Server
=================

.. cpp:namespace:: vnx::opc_ua::Server

Module
------

The `vnx.opc_ua.Server` module provides a OPC-UA server to interface with the running process.

Depending on the configuration different modules and topics are offered on the OPC-UA interface.


Options
-------

.. cpp:member:: set<string> export_services
	
	List of modues to offer on the OPC-UA interface as objects.
	
.. cpp:member:: set<string> export_topics
	
	List of topics to offer on the OPC-UA interface as variables. (Not implemented yet)

.. cpp:member:: bool use_authentication = false
	
	If to require authentication from clients. (Not implemented yet)
	
.. cpp:member:: string default_access = "DEFAULT"
	
	Default access level for anonymous clients, see :ref:`users`.
	Only if `use_authentication = true`, otherwise there are no restrictions, ie. full permissions to any user.