> 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.unity/yarn.unity.builtinlocalisedlineprovider/yarn.unity.builtinlocalisedlineprovider.registermarkerprocessor.md).

# RegisterMarkerProcessor(string,Markup.IAttributeMarkerProcessor)

Method in [BuiltinLocalisedLineProvider](/3.1/api/csharp/yarn.unity/yarn.unity.builtinlocalisedlineprovider.md)

## Summary

```csharp
public override void RegisterMarkerProcessor(string attributeName, Markup.IAttributeMarkerProcessor markerProcessor)
```

## Parameters

| Name                                                                                                                          | Description |
| ----------------------------------------------------------------------------------------------------------------------------- | ----------- |
| `string` attributeName                                                                                                        |             |
| [Yarn.Markup.IAttributeMarkerProcessor](/3.1/api/csharp/yarn.markup/yarn.markup.iattributemarkerprocessor.md) markerProcessor |             |