# GetRequiredComponentDataPtrRO<T>(ref ComponentTypeHandle<T>)

> Provides an unsafe read-only interface to components stored in this chunk. This variant assumes that the component is present in the chunk; use ArchetypeChunk.GetComponentDataPtrRO in cases where the caller can't guarantee this.

## Definition

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

## GetRequiredComponentDataPtrRO\<T>(ComponentTypeHandle\<T>)

```csharp
public readonly void* GetRequiredComponentDataPtrRO<T>(ref ComponentTypeHandle<T> typeHandle)
```

### Parameters

**** (\[ComponentTypeHandle\<T>]\(/engine/7000.0/script-reference/unity/entities/componenttypehandle1)): An object containing type and job safety information. To create this object, call [ComponentSystemBase.GetComponentTypeHandle](/engine/7000.0/script-reference/unity/entities/componentsystembase/getcomponenttypehandle.md). Pass the object to a job using a public field you define as part of the job struct.

### Returns

| Type                                                         | Description                                                                                                                              |
| ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------- |
| [void\*](https://learn.microsoft.com/dotnet/api/system.void) | A pointer to the component data stored in the chunk. Results are undefined if the chunk's archetype does not include component type `T`. |