# Sandbox.PhysicsWorld.RunTrace

```csharp
PhysicsTraceResult RunTrace(in PhysicsTraceBuilder trace)
```

Like calling PhysicsTraceBuilder.Run, except will re-target this world if it's not already the target

### Parameters

- `in trace` (`PhysicsTraceBuilder`)

### Returns

`PhysicsTraceResult`

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