> 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.markup/yarn.markup.iattributemarkerprocessor.md).

# IAttributeMarkerProcessor

Interface in [Yarn.Markup](/3.1/api/csharp/yarn.markup.md)

## Summary

Provides a mechanism for producing replacement text for a marker.

```csharp
public interface IAttributeMarkerProcessor
```

## Methods

| Name                                                                                                                                                                                                                   | Description                             |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- |
| [ProcessReplacementMarker(MarkupAttribute,System.Text.StringBuilder,List,string)](/3.1/api/csharp/yarn.markup/yarn.markup.iattributemarkerprocessor/yarn.markup.iattributemarkerprocessor.processreplacementmarker.md) | Produces replacement text for a marker. |

## See Also

* [LineParser.RegisterMarkerProcessor(string,IAttributeMarkerProcessor)](/3.1/api/csharp/yarn.markup/yarn.markup.lineparser/yarn.markup.lineparser.registermarkerprocessor.md): Registers an object as a marker processor for a given marker name.
* [LineParser.DeregisterMarkerProcessor(string)](/3.1/api/csharp/yarn.markup/yarn.markup.lineparser/yarn.markup.lineparser.deregistermarkerprocessor.md): Removes any marker processor associated with a given marker name.