FreeOpcUa / python-opcua

        results = self.server.delete_monitored_items(params)

        results[0].check()

        with self._lock:

            for k, v in self._monitoreditems_map.items():

                if v.server_handle == handle:

                    del(self._monitoreditems_map[k])

                    return

    def modify_monitored_item(self, handle, new_samp_time, new_queuesize=0, mod_filter_val=None):

        """

        Modify a monitored item.

        :param handle: Handle returned when originally subscribing

        :param new_samp_time: New wanted sample time

        :param new_queuesize: New wanted queuesize, default is 0

        :param mod_filter_val: New deadband filter value

        :return: Return a Modify Monitored Item Result

            def __init__(self):

                super(CustomEvent, self).__init__(extended=True)

                self.EventType = node.nodeid

                curr_node = node

                while curr_node.nodeid.Identifier != parent_identifier:

                    for prop in curr_node.get_properties():

                        setattr(self, prop.get_browse_name().Name, prop.get_value())

                    parents = curr_node.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=False)

                    if len(parents) != 1: # Something went wrong

                        return None

                    curr_node = parents[0]