# WithDescription(string?)

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

## Summary

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

```csharp
public DeclarationBuilder WithDescription(string? description)
```

## Parameters

| Name                 | Description                                  |
| -------------------- | -------------------------------------------- |
| `string` description | The description 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.