SimpleAttributeOperand QML Type

The OPC UA SimpleAttributeOperand type. More...

This type is deprecated since QtOpcUa 6.9. We strongly advise against using it in new code.

• List of all members, including inherited members

Properties

• browsePath : list<OpcUaNodeId>
• indexRange : string
• nodeAttribute : Constants.NodeAttribute
• typeId : string

Detailed Description

The SimpleAttributeOperand is specified in OPC UA 1.05 part 4, 7.7.4.5. It is used when a node attribute is required as operand.

For example, the following simple attribute operand represents the value of the "Severity" field of the base event type:

import QtOpcUa as QtOpcUa

QtOpcUa.SimpleAttributeOperand {
    identifier: "Severity"
    ns: "http://opcfoundation.org/UA/"
}

Property Documentation

import QtOpcUa as QtOpcUa

QtOpcUa.SimpleAttributeOperand {
    ...
    browsePath: [
        QtOpcUa.NodeId {
            identifier: "Message"
            ns: "http://opcfoundation.org/UA/"
         }
         ...
    ]
}

import QtOpcUa as QtOpcUa

QtOpcUa.SimpleAttributeOperand {
    ...
    indexRange: "0:2"
}

import QtOpcUa as QtOpcUa

QtOpcUa.SimpleAttributeOperand {
    ...
    nodeAttribute: QtOpcUa.Constants.NodeAttribute.Value
}

import QtOpcUa as QtOpcUa

QtOpcUa.SimpleAttributeOperand {
    ...
    typeId: "ns=0;i=2041"
}