# OtherColliderInstanceID

> Instance ID of the second Collider in the ContactPair.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.PhysicsModule

> **Warning:**
>
> **Deprecated.** Please use ContactPair.otherColliderInstanceID instead.
>
> **Upgrade to** [ContactPair.otherColliderInstanceID](/engine/6000.7/script-reference/unityengine/contactpair/othercolliderinstanceid-1.md)

```csharp
public int OtherColliderInstanceID { get; }
```