# PhysicsFixedJoint(PhysicsJoint)

> Create a PhysicsFixedJoint from the specified base joint. The provided joint must be a joint type of PhysicsJoint.JointType.FixedJoint.

## Definition

* **Type:** Constructor
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
public PhysicsFixedJoint(PhysicsJoint physicsJoint)
```

### Parameters

**** (\[PhysicsJoint]\(/engine/6000.3/script-reference/unityengine/lowlevelphysics2d/physicsjoint)): The base joint to cast.