These functions can be used to create user-defined Server Items (also referred to as Custom Items). These Custom Items can be organized in a user-defined hierarchy that is integrated into the Server Item Tree. Using custom items provides the most flexible way to add control functionality – they can be used the same way as real Server Items. The only difference is that they are only available in the server's virtual data model – there is no physical datapoint that is connected to it. Therefore, Custom Items can be seen as virtual datapoints.
Note that Custom Items can only be create and deleted during server start up (e.g.within the "OnInitEvent" callback).
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