# GetInstances<T>(List<T>)

> Returns active Subsystem s of a specific instance type. "Note:" This method is deprecated, use SubsystemManager.GetSubsystems instead.

## Definition

* **Type:** Method
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.SubsystemsModule

> **Warning:**
>
> **Deprecated.** Use GetSubsystems instead.
>
> **Upgrade to** [SubsystemManager.GetSubsystems](/engine/6000.7/script-reference/unityengine/subsystemmanager/getsubsystems.md)

```csharp
public static void GetInstances<T>(List<T> subsystems) where T : ISubsystem
```

### Parameters

**** (\[List\<T>]\(https\://learn.microsoft.com/dotnet/api/system.collections.generic.list-1)): Active instances.