# IOpcEventFieldSet Members

> Reference: Provides the values of the fields of an event.

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

## Properties

### Fields

Gets the values of the fields of the event.

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

```csharp
VariantCollection Fields { get; }
```

</div>

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

```vbnet
<CLSCompliant(False)>
ReadOnly Property Fields As VariantCollection
```

</div>

**Property value**

<abbr title="OPC Foundation stack type, not documented here: Opc.Ua.VariantCollection">VariantCollection</abbr>

The values of the fields of the event in the order of the select clauses of the [OpcEventFilter](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventfilter/) used (see [SelectClause](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opceventfilter/members#selectclause)).