# AssetLoadingSubsystem

> Subsystem tags for the read request, describing broad asset type or subsystem that triggered the read request.

## Definition

* **Type:** Enum
* **Namespace:** [Unity.IO.LowLevel.Unsafe](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public enum AssetLoadingSubsystem
```

## Fields

| Value                                                                                                                                      | Description                                                                            |
| ------------------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------------------- |
| [Audio](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/audio.md)                                           | The read request originated from an audio subsystem.                                   |
| [ContentLoading](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/contentloading.md)                         | The read request originated in a Unity.Loading Content Loading subsystem.              |
| [EntitiesScene](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/entitiesscene.md)                           | The read request originated in a Unity.Entities scene loading subsystem.               |
| [EntitiesStreamBinaryReader](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/entitiesstreambinaryreader.md) | The read request originated in a Unity.Entities.Serialization binary reader subsystem. |
| [FileInfo](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/fileinfo.md)                                     | A request for file information.                                                        |
| [Mesh](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/mesh.md)                                             | The read request originated in mesh loading.                                           |
| [Other](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/other.md)                                           | The subsystem where the read request originated is unknown.                            |
| [Scripts](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/scripts.md)                                       | The read request originated in scripts.                                                |
| [Texture](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/texture.md)                                       | The read request originated in texture loading.                                        |
| [VirtualTexture](/engine/6000.5/script-reference/unity/io/lowlevel/unsafe/assetloadingsubsystem/virtualtexture.md)                         | The read request originated in Virtual Texturing.                                      |