# VFXParticleSystemInfo

> This structure provides information data on a particle system.

## Definition

* **Type:** Struct
* **Namespace:** [UnityEngine.VFX](/engine/6000.0/script-reference/unityengine/vfx.md)
* **Assembly:** UnityEngine.VFXModule

```csharp
public struct VFXParticleSystemInfo
```

## Fields

| Value                                                                                             | Description                                                                                                                                        |
| ------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| [aliveCount](/engine/6000.0/script-reference/unityengine/vfx/vfxparticlesysteminfo/alivecount.md) | Number of alive particles within the particle system, the value is lower than \[\[VFXParticleSystemInfo.\_capacity].                               |
| [bounds](/engine/6000.0/script-reference/unityengine/vfx/vfxparticlesysteminfo/bounds.md)         | The rendering bound of this particle system.                                                                                                       |
| [capacity](/engine/6000.0/script-reference/unityengine/vfx/vfxparticlesysteminfo/capacity.md)     | The capacity (maximum [\_aliveCount](/engine/6000.0/script-reference/unityengine/vfx/vfxparticlesysteminfo/alivecount.md)) of the particle system. |
| [sleeping](/engine/6000.0/script-reference/unityengine/vfx/vfxparticlesysteminfo/sleeping.md)     | The sleep state of the particle system.                                                                                                            |