# SubsystemDescriptorStore

> Registration entry point for subsystems to register their descriptor.

## Definition

* **Type:** Class
* **Namespace:** [UnityEngine.SubsystemsImplementation](/engine/6000.6/script-reference/unityengine/subsystemsimplementation.md)
* **Assembly:** UnityEngine.SubsystemsModule

```csharp
public static class SubsystemDescriptorStore
```

## Remarks

This is typically for use in platform-support packages.