# Sandbox.Physics.PhysicsJoint.CreateFilter

```csharp
static PhysicsJoint CreateFilter(PhysicsBody a, PhysicsBody b)
```

### Parameters

- `a` (`PhysicsBody`)
- `b` (`PhysicsBody`)

### Returns

`PhysicsJoint`

Declared in [Sandbox.Physics.PhysicsJoint](/api/Sandbox.Physics.PhysicsJoint).
Assembly: `Sandbox.Engine`.