> 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.iasynctypewriter.md).

# IAsyncTypewriter

Interface in [Yarn.Unity](/3.1/api/csharp/yarn.unity.md)

## Summary

An object that can handle delivery of a line's text over time.

```csharp
public interface IAsyncTypewriter
```

## Methods

| Name                                                                                                                                                             | Description                                                                                                                                       |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| [ContentWillDismiss()](/3.1/api/csharp/yarn.unity/yarn.unity.iasynctypewriter/yarn.unity.iasynctypewriter.contentwilldismiss.md)                                 | Called right before the content will be visibly hidden                                                                                            |
| [PrepareForContent(Markup.MarkupParseResult)](/3.1/api/csharp/yarn.unity/yarn.unity.iasynctypewriter/yarn.unity.iasynctypewriter.prepareforcontent.md)           | Called by the presenter before content has been shown. This gives the typewriter it's chance to do any setup before the content is visibly shown. |
| [RunTypewriter(Markup.MarkupParseResult,CancellationToken)](/3.1/api/csharp/yarn.unity/yarn.unity.iasynctypewriter/yarn.unity.iasynctypewriter.runtypewriter.md) | Displays the contents of a line over time.                                                                                                        |

## Properties

| Name                                                                                                                               | Description                                                                                   |
| ---------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| [ActionMarkupHandlers](/3.1/api/csharp/yarn.unity/yarn.unity.iasynctypewriter/yarn.unity.iasynctypewriter.actionmarkuphandlers.md) | The list of action markup handlers that this typewriter should call out to while typewriting. |