# AreVertexStreamsEnabled(ParticleSystemVertexStreams)

> Query whether the Particle System Renderer uses a particular set of vertex streams.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.ParticleSystemModule

> **Warning:**
>
> **Deprecated.** AreVertexStreamsEnabled is deprecated. Use GetActiveVertexStreams instead.

```csharp
public bool AreVertexStreamsEnabled(ParticleSystemVertexStreams streams)
```

### Parameters

**** (\[ParticleSystemVertexStreams]\(/engine/6000.0/script-reference/unityengine/particlesystemvertexstreams)): Streams to query.

### Returns

| Type                                                          | Description                                                           |
| ------------------------------------------------------------- | --------------------------------------------------------------------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) | `true` if the queried streams are enabled. Returns `false` otherwise. |

### Remarks

Additional Resources: [ParticleSystemRenderer.GetEnabledVertexStreams](/engine/6000.0/script-reference/unityengine/particlesystemrenderer/getenabledvertexstreams.md), [ParticleSystemRenderer.SetActiveVertexStreams](/engine/6000.0/script-reference/unityengine/particlesystemrenderer/setactivevertexstreams.md).