# OpcAttributeInfo Members

> Reference: Provides the identifier, the value and the metadata of an attribute of a node, as provided by the OpcNodeInfo of the node.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcAttributeInfo</a></dd>
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.client">Opc.UaFx.Client</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

## Properties

### DataType

Gets the built-in data type which the OPC UA specification defines for the value of the attribute.

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

```csharp
public OpcDataType DataType { get; }
```

</div>

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

```vbnet
Public ReadOnly Property DataType As OpcDataType
```

</div>

**Property value**

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

One of the members defined by the [OpcDataType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcdatatype/) enumeration.

### DataTypeId

Gets the identifier of the data type which the OPC UA specification defines for the value of the attribute.

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

```csharp
public OpcNodeId DataTypeId { get; }
```

</div>

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

```vbnet
Public ReadOnly Property DataTypeId As OpcNodeId
```

</div>

**Property value**

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

The [OpcNodeId](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnodeid/) of the data type node.

### Identifier

Gets the identifier of the attribute.

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

```csharp
public OpcAttribute Identifier { get; }
```

</div>

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

```vbnet
Public ReadOnly Property Identifier As OpcAttribute
```

</div>

**Property value**

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

One of the members defined by the [OpcAttribute](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattribute/) enumeration.

### Name

Gets the name which the OPC UA specification defines for the attribute.

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

```csharp
public string Name { get; }
```

</div>

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

```vbnet
Public ReadOnly Property Name As String
```

</div>

**Property value**

[String](https://learn.microsoft.com/dotnet/api/system.string)

The name of the attribute.

### Value

Gets the value of the attribute.

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

```csharp
public OpcValue Value { get; }
```

</div>

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

```vbnet
Public ReadOnly Property Value As OpcValue
```

</div>

**Property value**

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

The [OpcValue](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcvalue/) read from the server for the attribute, which also provides the status of the read operation.

### ValueRank

Gets the value rank which the OPC UA specification defines for the value of the attribute.

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

```csharp
public int ValueRank { get; }
```

</div>

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

```vbnet
Public ReadOnly Property ValueRank As Integer
```

</div>

**Property value**

[Int32](https://learn.microsoft.com/dotnet/api/system.int32)

The value rank of the value of the attribute.

### WriteAccess

Gets the flag which represents the attribute in the write mask of a node.

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

```csharp
public OpcAttributeWriteAccess WriteAccess { get; }
```

</div>

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

```vbnet
Public ReadOnly Property WriteAccess As OpcAttributeWriteAccess
```

</div>

**Property value**

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

The [OpcAttributeWriteAccess](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcattributewriteaccess/) flag of the attribute.