# thisRigidbody

> The Rigidbody of the collider of the GameObject which received the Collision event (Read Only).

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.3/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

```csharp
public Rigidbody thisRigidbody { get; }
```

### Remarks

The [Rigidbody](/engine/6000.3/script-reference/unityengine/rigidbody.md) of the collider of the GameObject which received the [Collision](/engine/6000.3/script-reference/unityengine/collision.md) event. If there is no Rigidbody component attached, this returns `null`.