> 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.saliency/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy.md).

# RandomBestLeastRecentlyViewedSaliencyStrategy

Class in [Yarn.Saliency](/3.1/api/csharp/yarn.saliency.md)

Inherits from `System.Object`

## Summary

A content saliency strategy that returns a random choice of the best, least-recently seen choices from the provided options.

```csharp
public class RandomBestLeastRecentlyViewedSaliencyStrategy : IContentSaliencyStrategy
```

## Remarks

This strategy stores information about the number of times each piece of content has been seen in the provided `Yarn.Saliency.RandomBestLeastRecentlyViewedSaliencyStrategy.VariableStorage` .

## Constructors

| Name                                                                                                                                                                                                                              | Description                                                                                                                                                                            |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [RandomBestLeastRecentlyViewedSaliencyStrategy(IVariableStorage)](/3.1/api/csharp/yarn.saliency/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy..ctor.md) | Initializes a new instance of the [RandomBestLeastRecentlyViewedSaliencyStrategy](/3.1/api/csharp/yarn.saliency/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy.md) class. |

## Methods

| Name                                                                                                                                                                                                                     | Description                                                                                                                                                      |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [ContentWasSelected(ContentSaliencyOption)](/3.1/api/csharp/yarn.saliency/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy.contentwasselected.md) | Called by Yarn Spinner to indicate that a piece of salient content has been selected, and this system should update any state related to how it selects content. |
| [QueryBestContent(IEnumerable)](/3.1/api/csharp/yarn.saliency/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy/yarn.saliency.randombestleastrecentlyviewedsaliencystrategy.querybestcontent.md)               | Chooses an item from content that is the most appropriate (or *salient* ) for the user's current context.                                                        |