# WithType(IType)

Method in [DeclarationBuilder](https://docs.yarnspinner.dev/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder)

## Summary

Sets the [Type](https://docs.yarnspinner.dev/api/csharp/yarn.compiler/yarn.compiler.declaration/yarn.compiler.declaration.type) of the [Declaration](https://docs.yarnspinner.dev/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder/yarn.compiler.declarationbuilder.declaration) .

```csharp
public DeclarationBuilder WithType(IType type)
```

## Parameters

| Name                                                                       | Description                           |
| -------------------------------------------------------------------------- | ------------------------------------- |
| [Yarn.IType](https://docs.yarnspinner.dev/api/csharp/yarn/yarn.itype) type | The type to apply to the Declaration. |

## Returns

The [DeclarationBuilder](https://docs.yarnspinner.dev/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder) instance that received this method call.