# IsValid()

> Returns true if the PlayableGraph has been properly constructed using CreateGraph and is not deleted.

## Definition

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

```csharp
public bool IsValid()
```

### Returns

| Type                                                          | Description                                          |
| ------------------------------------------------------------- | ---------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | A boolean indicating if the graph is invalid or not. |