> For the complete documentation index, see [llms.txt](https://docs.yarnspinner.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yarnspinner.dev/3.1/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder/yarn.compiler.declarationbuilder.withimplicit.md).

# WithImplicit(bool)

Method in [DeclarationBuilder](/3.1/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder.md)

## Summary

Sets the [IsImplicit](/3.1/api/csharp/yarn.compiler/yarn.compiler.declaration/yarn.compiler.declaration.isimplicit.md) of the [Declaration](/3.1/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder/yarn.compiler.declarationbuilder.declaration.md) .

```csharp
public DeclarationBuilder WithImplicit(bool isImplicit)
```

## Parameters

| Name              | Description                                        |
| ----------------- | -------------------------------------------------- |
| `bool` isImplicit | The is-implicit value to apply to the Declaration. |

## Returns

The [DeclarationBuilder](/3.1/api/csharp/yarn.compiler/yarn.compiler.declarationbuilder.md) instance that received this method call.