# OpcDataChangeDataSetItem Members

> Reference: Represents the data change of a monitored item reported by a notification, as defined by the MonitoredItemNotification of OPC UA.

<dl class="api-definition">
<dt>Type</dt>
<dd><a href="./">OpcDataChangeDataSetItem</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

### ClientID

Gets the client-assigned identifier of the monitored item whose value changed.

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

```csharp
public long ClientID { get; }
```

</div>

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

```vbnet
Public ReadOnly Property ClientID As Long
```

</div>

**Property value**

[Int64](https://learn.microsoft.com/dotnet/api/system.int64)

The [ClientID](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.client.opcmonitoreditem/members#clientid) of the monitored item.

### Notification

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

Gets the notification which contains the data change.

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

```csharp
public override OpcNotification Notification { get; }
```

</div>

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

```vbnet
Public Overrides Property Notification As OpcNotification
```

</div>

**Property value**

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

The [OpcNotification](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnotification/) which contains the data change.

**Overrides**

[Notification](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcnotificationdatasetitem/members#notification)

### Value

Gets the new value of the monitored item.

<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/) reported for the monitored item.