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# IDStorageQueueX1 (Interface contents)

> IDStorageQueueX1

Represents a DirectStorage queue.
Extends the [IDStorageQueueX](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX/idstoragequeuex.md) interface.

## Syntax

```cpp theme={null}
class IDStorageQueueX1 : public IDStorageQueueX  
```

## Methods

| Method | Description |
| - | - |
| [EnqueueSetEvent](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX1/methods/idstoragequeuex_enqueuesetevent.md) | Enqueues a set event operation. |

## Remarks

A DirectStorage queue holds entries until the title calls
[Submit](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX/methods/idstoragequeuex_submit.md) on the queue, or one of the Enqueue methods
fills more than half of the queue's capacity since last submission and triggers
an automatic submission. All entries in a DirectStorage queue complete in the
order they are enqueued.

`IDStorageQueueX1` extends `IDStorageQueueX` with
[EnqueueSetEvent](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX1/methods/idstoragequeuex_enqueuesetevent.md) method to provide the
ability to enqueue a **SetEvent** operation.

For more information, see the "IDStorageQueueX" "IDStorageQueueX1" section in
[DirectStorage Overview](https://docs.xbox.com/build/console-features/storage/directstorage/directstorage-overview.md).

## Requirements

**Header:** dstorage\_xs.h

**Library:** dstorage.lib

**Supported platforms:** XBOX Series consoles

## See also

[IDStorageFactoryX::CreateQueue](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageFactoryX/methods/idstoragefactoryx_createqueue.md)\
[DStorage](https://docs.xbox.com/reference/system/dstorage/dstorage_members.md)


## Related topics

- [IDStorageQueueX2 (Interface contents)](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX2/idstoragequeuex2.md)
- [DirectStorage Overview](https://docs.xbox.com/build/console-features/storage/directstorage/directstorage-overview.md)
- [IDStorageFactoryX1 (Interface contents)](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageFactoryX1/idstoragefactoryx1.md)
- [IDStorageQueueX (Interface contents)](https://docs.xbox.com/reference/system/dstorage/interfaces/IDStorageQueueX/idstoragequeuex.md)
- [DStorage (API contents)](https://docs.xbox.com/reference/system/dstorage/dstorage_members.md)