# IDataSourceViewHashProvider

> Defines a component as a data source view.

## Definition

* **Type:** Interface
* **Namespace:** [UnityEngine.UIElements](/engine/6000.0/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public interface IDataSourceViewHashProvider
```

## Methods

| Method                                                                                                                   | Description                                                                                        |
| ------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------------------- |
| [GetViewHashCode](/engine/6000.0/script-reference/unityengine/uielements/idatasourceviewhashprovider/getviewhashcode.md) | Returns the hash code of the view, which can be used to notify the data binding system to refresh. |