# running

> Whether or not the subsystem is running. This returns true after Start has been called on the subsystem, and false after Stop is called.

## Definition

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

```csharp
public bool running { get; }
```