# IsNull<U>(U)

> Returns true if the Playable is null, false otherwise.

## Definition

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

## IsNull\<T>(T)

```csharp
public static bool IsNull<U>(this U playable) where U : struct, IPlayable
```

### Parameters

**** (T): The [Playable](/engine/6000.7/script-reference/unityengine/playables/playable.md) used by this operation.

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) |             |