# aliveCount

> Number of alive particles within the particle system, the value is lower than [[VFXParticleSystemInfo._capacity].

## Definition

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

```csharp
public uint aliveCount
```