Observer Field

The OPC UA Observer well-known security role.

Syntax

Visual Basic
C#
C++/CLI

'Declaration
 
<JetBrains.Annotations.NotNullAttribute()>
Public Shared ReadOnly Observer As UASecurityRole

'Usage
 
Dim value As UASecurityRole
 
value = UASecurityRoles.Observer

[JetBrains.Annotations.NotNull()]
public static readonly UASecurityRole Observer

[JetBrains.Annotations.NotNull()]
public:
static readonly UASecurityRole^ Observer

Remarks

OPC UA Part 3, Suggested Permissions: "The Role is allowed to browse, read live data, read historical data/events or subscribe to data/events."

All servers should support this well-known role.

Requirements

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

Reference

UASecurityRoles Class
UASecurityRoles Members

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