# OpcDialogResponseMethodNode.DialogResponseCallback Delegate

<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>
</dl>

Passes the selected response option and ends the dialog.

## Syntax

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

```csharp
public delegate void OpcDialogResponseMethodNode.DialogResponseCallback(
    int selectedResponse)
```

</div>

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

```vbnet
<CLSCompliant(False)>
Public Delegate Sub OpcDialogResponseMethodNode.DialogResponseCallback(
    selectedResponse As Integer)
```

</div>

## Parameters

| Name | Type | Description |
|---|---|---|
| `selectedResponse` | [Int32](https://learn.microsoft.com/dotnet/api/system.int32) | The selected index of the item in the [ResponseOptions](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcdialogconditionnode/members#responseoptions). |

## Remarks

This method does provide the following [OpcResult](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcresult/) information:

- [BadDialogNotActive](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/#baddialognotactive)
- [BadDialogResponseInvalid](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstatuscode/#baddialogresponseinvalid)

## Applies to

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