# EntitiesStreamBinaryReader

> The read request originated in a Unity.Entities.Serialization binary reader subsystem.

## Definition

* **Type:** Field
* **Namespace:** [Unity.IO.LowLevel.Unsafe](/engine/6000.3/script-reference/unity/io/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
EntitiesStreamBinaryReader = 7
```