# Sandbox.FixedJointBuilder.AngularFrequency

```csharp
float AngularFrequency { get; set; }
```

The frequency of the joint's angular spring in hertz.
Higher values make the joint stiffer in rotation.

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