# TotalBytesRead

> The total number of bytes read in the metrics included in the summary calculation.

## Definition

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

```csharp
public ulong TotalBytesRead { get; }
```