OPC Studio User's Guide and Reference
Authority Property (ObjectDescriptor)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib Namespace > ObjectDescriptor Class : Authority Property
Holds an optional user-information part, terminated with "@" (e.g. username:password@); a hostname (e.g., domain name or IP address); and an optional port number, preceded by a colon ":".
Syntax
'Declaration
 
Public Shadows Property Authority As String
'Usage
 
Dim instance As ObjectDescriptor
Dim value As String
 
instance.Authority = value
 
value = instance.Authority
public new string Authority {get; set;}
public:
new property String^ Authority {
   String^ get();
   void set (    String^ value);
}

Property Value

This value of this property can be null (Nothing in Visual Basic).

The default value of this property is "" (String.Empty).

Remarks

This user-information part of the authority is normally not used with OPC UA. For username/password authentication in OPC UA, use the UAEndpointDescriptor.UserIdentity.UserNameTokenInfo property, and its sub-properties.

The getter method of this property is pure, i.e. it does not have observable side effects.

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

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