# AsReadOnly()

> Returns a read-only reference aliasing the value of this reference.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Collections](/engine/6000.7/script-reference/unity/collections.md)
* **Assembly:** UnityEngine.ManagedKernelModule

```csharp
public NativeReference<T>.ReadOnly AsReadOnly()
```

### Returns

| Type                                                                                       | Description                                                 |
| ------------------------------------------------------------------------------------------ | ----------------------------------------------------------- |
| [ReadOnly](/engine/6000.7/script-reference/unity/collections/nativereference1/readonly.md) | A read-only reference aliasing the value of this reference. |