# OpcReadVariableValueContext<T> Members

> Reference: Provides variable node sensitive information and services about the system which belong to the current situation (process, thread, session, variable node, etc.) used for reading the value of a variable node.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcReadVariableValueContext&lt;T&gt;</a></dd>
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx">Opc.UaFx</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
</dl>

Inherits members from [OpcNodeContext&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodecontext-1/members), [OpcContext](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opccontext/members).

## Properties

### Range

Gets the [OpcRange](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcrange/) of the variable value to read.

<div class="api-signature" data-lang="csharp">

```csharp
public OpcRange Range { get; }
```

</div>

<div class="api-signature" data-lang="vbnet">

```vbnet
Public ReadOnly Property Range As OpcRange
```

</div>

**Property value**

[OpcRange](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcrange/)

The [OpcRange](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcrange/) identifying the range of the variable value to read.