How can I create a Node Id in string instead of integer?

[PvanIeperen]

Hi,
Currently I am creating an OPCUA server. Tis is going well.
I create the model design XML by hand.

As I see in the client the node id is like ns=2;i=206. I want to change this to i.e. ns=2;s=Alarmarray.
How do I do that? Is that in the XML code or in the .Net code. ?

Is there somewhere an clear explanation how the model XML is set up?
I am using the model compiler of the OPC Foundation.
The model file I'm testing with is very simple.

<?xml version="1.0" encoding="utf-8" ?>
<opc:ModelDesign
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:xsd="http://www.w3.org/2001/XMLSchema"
	xmlns:opc="http://opcfoundation.org/UA/ModelDesign.xsd"
	xmlns:ua="http://opcfoundation.org/UA/"
	xmlns:uax="http://opcfoundation.org/UA/2008/02/Types.xsd"
	xmlns="http://xxxxx.com/DataApiServer"
TargetNamespace="http://xxxxx.com/DataApiServer">

	<opc:Namespaces>
		<opc:Namespace Name="OpcUa" Prefix="Opc.Ua" XmlNamespace="http://opcfoundation.org/UA/2008/02/Types.xsd">http://opcfoundation.org/UA/</opc:Namespace>
		<opc:Namespace Name="DataApiServer" Prefix="DataApiServer">http://xxxxx.com/DataApiServer</opc:Namespace>
	</opc:Namespaces>

	<!--DataTypes -->
	
	<!--Structures-->
	
	<!-- Enum -->

	<!--Events-->
	
	<!--Glue the tree-->
	<opc:ObjectType SymbolicName="DigitalEngineType" BaseType="ua:BaseObjectType" SupportsEvents="true">
		<opc:Description>Digital engine Data API</opc:Description>
		<opc:Children>
			<opc:Variable SymbolicName="AlarmArray" DataType="ua:Boolean" ValueRank="Array" AccessLevel="ReadWrite">
				<DisplayName>AlarmArray</DisplayName>
			</opc:Variable>
		</opc:Children>
	</opc:ObjectType>

	<opc:Object SymbolicName="DigitalEngine" TypeDefinition="DigitalEngineType" SupportsEvents="true">
		<opc:BrowseName>DigitalEngine</opc:BrowseName>
		<opc:References>
			<opc:Reference IsInverse="true">
				<opc:ReferenceType>ua:Organizes</opc:ReferenceType>
				<opc:TargetId>ua:ObjectsFolder</opc:TargetId>
			</opc:Reference>
		</opc:References>
	</opc:Object>
</opc:ModelDesign>

Regards Patrick

[mregen]

As I see in the client the node id is like ns=2;i=206. I want to change this to i.e. ns=2;s=Alarmarray.
How do I do that? Is that in the XML code or in the .Net code. ?

The latest Modelcompiler supports string ids as well as nodeset2 as input. So it can be changed in the xml source. But I haven't used it in a sample yet.