# Release(TCollection)

> Returns the instance back to the pool.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine.Pool](/engine/6000.5/script-reference/unityengine/pool.md)
* **Assembly:** UnityEngine.CoreModule

## Release(T)

```csharp
public static void Release(TCollection toRelease)
```

### Parameters

**** (T): The instance to return to the pool.

### Remarks

If the pool has collection checks enabled and the instance is already held by the pool then an exception will be thrown.