# OpcEventDataSetItem Class

<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">OpcEventDataSetItem Members</a></dd>
<dt>Also in</dt>
<dd>Opc.UaFx.Client</dd>
</dl>

Represents an event of a monitored item reported by a notification, as defined by the EventFieldList of OPC UA.

## Syntax

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

```csharp
public class OpcEventDataSetItem : OpcNotificationDataSetItem
```

</div>

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

```vbnet
Public Class OpcEventDataSetItem
    Inherits OpcNotificationDataSetItem
```

</div>

## Inheritance

[Object](https://learn.microsoft.com/dotnet/api/system.object) → [OpcNotificationDataSetItem](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnotificationdatasetitem/) → **OpcEventDataSetItem**

## Implements

<ul class="api-implements">
<li><a href="../opc.uafx.iopceventfieldset/">IOpcEventFieldSet</a></li>
</ul>

## Properties

| Name | Description |
|---|---|
| [ClientID](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventdatasetitem/members#clientid)<span class="api-meta">since v2.11</span> | Gets the client-assigned identifier of the monitored item which reported the event. |
| [Fields](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventdatasetitem/members#fields) | Gets the values of the fields of the event. |
| [Notification](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventdatasetitem/members#notification)<span class="api-meta">override</span> | Gets the notification which contains the event. |

## Applies to

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