# OptionsPresenter

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

Inherits from [`DialoguePresenterBase`](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguepresenterbase.md)

## Summary

Receives options from a [DialogueRunner](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md) , and displays and manages a collection of [OptionItem](/3.1/api/csharp/yarn.unity/yarn.unity.optionitem.md) views for the user to choose from.

```csharp
public sealed class OptionsPresenter : DialoguePresenterBase
```

## Fields

| Name                                                                                                                                   | Description                                                                                                                                                                       |
| -------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [fadeDownDuration](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.fadedownduration.md)             |                                                                                                                                                                                   |
| [fadeUpDuration](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.fadeupduration.md)                 |                                                                                                                                                                                   |
| [showUnavailableOptions](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.showunavailableoptions.md) | Controls whether or not to display options whose [IsAvailable](/3.1/api/csharp/yarn/yarn.optionset/yarn.optionset.option/yarn.optionset.option.isavailable.md) value is `false` . |
| [useFadeEffect](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.usefadeeffect.md)                   |                                                                                                                                                                                   |

## Methods

| Name                                                                                                                                                               | Description                                                                                                                                                                                                       |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [OnDialogueCompleteAsync()](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.ondialoguecompleteasync.md)                         | Called by a [DialogueRunner](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md) to dismiss the options view when dialogue is complete.                                                                      |
| [OnDialogueStartedAsync()](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.ondialoguestartedasync.md)                           | Called by a [DialogueRunner](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md) to set up the options view when dialogue begins.                                                                            |
| [RunLineAsync(LocalizedLine,LineCancellationToken)](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.runlineasync.md)            | Called by a [DialogueRunner](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md) when a line needs to be presented, and stores the line as the 'last seen line' so that it can be shown when options appear. |
| [RunOptionsAsync(DialogueOption\[\],LineCancellationToken)](/3.1/api/csharp/yarn.unity/yarn.unity.optionspresenter/yarn.unity.optionspresenter.runoptionsasync.md) | Called by a [DialogueRunner](/3.1/api/csharp/yarn.unity/yarn.unity.dialoguerunner.md) to display a collection of options to the user.                                                                             |


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