# ClearCache

> Removes all AssetBundle content that has been cached by the current application.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

## ClearCache()

Removes all AssetBundle content that has been cached by the current application.

```csharp
public static bool ClearCache()
```

### Returns

| Type                                                          | Description                                                    |
| ------------------------------------------------------------- | -------------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | True when cache clearing succeeded, false if cache was in use. |

### Remarks

This method is not available to WebPlayer applications that use the shared cache.

Additional Resources: Downloading Asset Bundles.

```csharp
using System.IO;
using UnityEngine;

public class Example : MonoBehaviour
{
    void ClearCacheExample()
    {
        Directory.CreateDirectory("Cache1");
        Directory.CreateDirectory("Cache2");
        Directory.CreateDirectory("Cache3");

        Caching.AddCache("Cache1"); //Placed in cache list at position 1
        Caching.AddCache("Cache2"); //Placed in cache list at position 2
        Caching.AddCache("Cache3"); //Placed in cache list at position 3

        //Clears all of the caches
        bool success = Caching.ClearCache();

        if (!success)
        {
            Debug.Log("Unable to clear cache");
        }
    }
}
```

Web player is not supported from 5.4.0 and beyond.

## ClearCache(int)

Removes all AssetBundle content that has been cached by the current application.

```csharp
public static bool ClearCache(int expiration)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The number of seconds that AssetBundles may remain unused in the cache.

### Returns

| Type                                                          | Description                                                    |
| ------------------------------------------------------------- | -------------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | True when cache clearing succeeded, false if cache was in use. |

### Remarks

This method is not available to WebPlayer applications that use the shared cache.

Additional Resources: Downloading Asset Bundles.

```csharp
using System.IO;
using UnityEngine;

public class Example : MonoBehaviour
{
    void ClearCacheExample()
    {
        Directory.CreateDirectory("Cache1");
        Directory.CreateDirectory("Cache2");
        Directory.CreateDirectory("Cache3");

        Caching.AddCache("Cache1"); //Placed in cache list at position 1
        Caching.AddCache("Cache2"); //Placed in cache list at position 2
        Caching.AddCache("Cache3"); //Placed in cache list at position 3

        //Clears all of the caches
        bool success = Caching.ClearCache();

        if (!success)
        {
            Debug.Log("Unable to clear cache");
        }
    }
}
```

Web player is not supported from 5.4.0 and beyond.