# id

> The ID stores the name of the subsystem used to identify it in the subsystem registry.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.AdaptivePerformance.Provider](/engine/6000.6/script-reference/unityengine/adaptiveperformance/provider.md)
* **Assembly:** UnityEngine.AdaptivePerformanceModule

```csharp
public string id { readonly get; set; }
```