# IOpcNotificationDataSet Interface

> Reference: Defines an interface which provides the notification a data set belongs to (see Data).

<dl class="api-definition">
<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>
<dt>Members</dt>
<dd><a href="./members">IOpcNotificationDataSet Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Defines an interface which provides the notification a data set belongs to (see [Data](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnotification/members#data)).

## Syntax

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

```csharp
public interface IOpcNotificationDataSet
```

</div>

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

```vbnet
Public Interface IOpcNotificationDataSet
```

</div>

## Derived types

- [OpcDataChangeDataSet](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcdatachangedataset/)
- [OpcEventDataSet](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventdataset/)
- [OpcNotificationDataSet&lt;T&gt;](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnotificationdataset-1/)

## Properties

| Name | Description |
|---|---|
| [Notification](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcnotificationdataset/members#notification) | Gets the notification which contains the data set. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.5–v2.59 |