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findNodeById

Find OPC UA server nodes by namespace index and identifier

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    Syntax

    foundNode = findNodeById(nodeList,nsInd,id)

    Description

    foundNode = findNodeById(nodeList,nsInd,id) searches nodeList for a node whose NamespaceIndex and Identifier properties match nsInd and id, respectively.

    This function might query the server for further descendants (children) of nodeList.

    example

    Examples

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    Create an OPC UA client object and connect to an OPC UA server on the localhost. Find the ServerCapabilities node in the server namespace identified by Index 0, Identifier 2268.

    uaClient = opcua("localhost",51210);
connect(uaClient);
capabilitiesNode = findNodeById(uaClient.Namespace,0,2268)
    capabilitiesNode = 

OPC UA Node:

   Node Information:
                      Name: 'ServerCapabilities'
               Description: 'Describes capabilities supported by the server.'
            NamespaceIndex: 0
                Identifier: 2268
                  NodeType: 'Object'

   Hierarchy Information:
                    Parent: Server
                  Children: 14

    Input Arguments

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    List of nodes, specified as an array of node objects. For information on node object functions and properties, see OPC UA Node.

    Namespace index, specified as an integer.

    Namespace identifier, specified as character vector, string, or integer.

    Output Arguments

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    Matching node, returned as a node object.

    Version History

    Introduced in R2015b

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    See Also

    Functions