# OffsetBytes

> The offset of the read request from the start of the file, in bytes.

## Definition

* **Type:** Property
* **Namespace:** [Unity.IO.LowLevel.Unsafe](/engine/6000.6/script-reference/unity/io/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public readonly ulong OffsetBytes { get; }
```