Connectivity Software User's Guide and Reference
AllowUnknownMetrics Property



OpcLabs.EasySparkplug Assembly > OpcLabs.EasySparkplug.OperationModel Namespace > SparkplugSubscriptionArguments Class : AllowUnknownMetrics Property
Determines whether the subscription allows unknown metrics (i.e. metrics without a Birth).
Syntax
'Declaration
 
Public Property AllowUnknownMetrics As Boolean
'Usage
 
Dim instance As SparkplugSubscriptionArguments
Dim value As Boolean
 
instance.AllowUnknownMetrics = value
 
value = instance.AllowUnknownMetrics
public bool AllowUnknownMetrics {get; set;}
public:
property bool AllowUnknownMetrics {
   bool get();
   void set (    bool value);
}

Property Value

The default value of this property is True.

Remarks

When this property is true (the default), the data notifications can contain metrics that were not contained in the birth notifications, and metrics can be delivered in data notifications before a corresponding birth notification.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

 

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Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also