# NativeRingQueue(int, AllocatorHandle, NativeArrayOptions)

> Initializes and returns an instance of NativeRingQueue.

## Definition

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

```csharp
public NativeRingQueue(int capacity, AllocatorManager.AllocatorHandle allocator, NativeArrayOptions options = NativeArrayOptions.ClearMemory)
```

### Parameters

**** (\[int]\(https\://learn.microsoft.com/dotnet/api/system.int32)): The capacity.**** (\[AllocatorHandle]\(/engine/6000.7/script-reference/unity/collections/allocatormanager/allocatorhandle)): The allocator to use.**** (\[NativeArrayOptions]\(/engine/6000.7/script-reference/unity/collections/nativearrayoptions)): Whether newly allocated bytes should be zeroed out.