# playOnAwake

> If set to true, the Particle System automatically begins to play on startup.

## Definition

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

```csharp
public bool playOnAwake { get; set; }
```

### Remarks

Note that every Particle System in the current particle effect shares this setting.