# OpcRequestOperationType Members

> Reference: Represents the operation of processing a request of a specific OpcRequestType.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcRequestOperationType</a></dd>
<dt>Namespace</dt>
<dd><a href="../namespaces/opc.uafx.server">Opc.UaFx.Server</a></dd>
<dt>Assembly</dt>
<dd>Opc.UaFx.Advanced.dll</dd>
<dt>Package</dt>
<dd>Opc.UaFx.Advanced v2.59.0</dd>
</dl>

## Constructors

### OpcRequestOperationType

Initializes a new instance of the [OpcRequestOperationType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcrequestoperationtype/) class using the `requestType` specified.

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

```csharp
public OpcRequestOperationType(OpcRequestType requestType)
```

</div>

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

```vbnet
Public Sub New(requestType As OpcRequestType)
```

</div>

**Parameters**

| Name | Type | Description |
|---|---|---|
| `requestType` | [OpcRequestType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcrequesttype/) | The [OpcRequestType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcrequesttype/) of the requests the operation stands for. |

## Properties

### Key

<span class="api-meta">override</span>

Gets the key which identifies the operation.

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

```csharp
public override object Key { get; }
```

</div>

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

```vbnet
Public Overrides ReadOnly Property Key As Object
```

</div>

**Property value**

[Object](https://learn.microsoft.com/dotnet/api/system.object)

The [RequestType](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcrequestoperationtype/members#requesttype) of the operation.

**Overrides**

[Key](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.server.opcoperationtype/members#key)

### RequestType

Gets the type of the requests the operation stands for.

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

```csharp
public OpcRequestType RequestType { get; }
```

</div>

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

```vbnet
Public ReadOnly Property RequestType As OpcRequestType
```

</div>

**Property value**

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

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