# IOpcDataTypeBuilder Interface

> Reference: Defines a builder of a data type which is defined at runtime (see OpcStruct and OpcEnum), e.g. to provide it by a server using Create.

<span class="api-meta">since v2.53</span>

<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">IOpcDataTypeBuilder Members</a></dd>
</dl>

Defines a builder of a data type which is defined at runtime (see [OpcStruct](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstruct/) and [OpcEnum](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcenum/)), e.g. to provide it by a server using [Create](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcdatatypenode/members#create-opc-uafx-iopcdatatypebuilder).

## Syntax

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

```csharp
public interface IOpcDataTypeBuilder
```

</div>

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

```vbnet
Public Interface IOpcDataTypeBuilder
```

</div>

## Derived types

- [OpcEnum](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcenum/)
- [OpcStruct](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.opcstruct/)

## Properties

| Name | Description |
|---|---|
| [Id](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcdatatypebuilder/members#id) | Gets the identifier of the data type. |
| [Name](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcdatatypebuilder/members#name) | Gets the name of the data type. |

## Methods

| Name | Description |
|---|---|
| [CreateTypeInfo](https://www.traeger.de/en/docs/development/opcua/api/v2.59/opc.uafx.iopcdatatypebuilder/members#createtypeinfo) | Creates the type information of the data type using the `context` and the `typeId` specified. |

## Applies to

| Package | Versions |
|---|---|
| Opc.UaFx.Advanced | v2.53–v2.59 |