# UpdateAfterAttribute(Type)

> Specify a system which the tagged system must update after.

## Definition

* **Type:** Constructor
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

```csharp
public UpdateAfterAttribute(Type systemType)
```

### Parameters

**** (\[Type]\(https\://learn.microsoft.com/dotnet/api/system.type)): The target system which the tagged system must update after. This system must be a member of the same [ComponentSystemGroup](/engine/7000.0/script-reference/unity/entities/componentsystemgroup.md).