# SetNormal(int, Vector3)

> Set the normal at a particular contact point in this contact pair.

## Definition

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

```csharp
public void SetNormal(int i, Vector3 normal)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): Index of the contact point.**** (\[Vector3]\(/engine/6000.0/script-reference/unityengine/vector3)): Normal at the contact point.