# GetColliderCount(int)

> Returns how how many Colliders a particle is interacting with.

## Definition

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

```csharp
public int GetColliderCount(int particleIndex)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The index of the particle event.

### Returns

| Type                                                       | Description                                               |
| ---------------------------------------------------------- | --------------------------------------------------------- |
| [int](https://learn.microsoft.com/dotnet/api/system.int32) | The number of Colliders the particle is interacting with. |