# impulseSum

> Total impulse sum of the pair.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.6/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public Vector3 impulseSum { get; }
```

### Remarks

Equivalent to [Collision.impulse](/engine/6000.6/script-reference/unityengine/collision/impulse.md).