# Stop()

> Stops an instance of a subsystem.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.SubsystemsModule

```csharp
void Stop()
```

### Remarks

Once the instance is stopped, the subsystem representing this instance is no longer active and should not consume performance.