---
title: checksForInternalCollisions
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/physicsfixedjoint/checksforinternalcollisions
---

# checksForInternalCollisions

A Boolean that indicates whether the joint checks and reports collisions between the two entity instances.

## Declaration

```swift
let checksForInternalCollisions: Bool
```

## Discussion

Discussion The entities that PhysicsFixedJoint references are not checked or reported, so this property only returns false.