# LongestReadTimeMicroseconds

> The longest read time (not including time in queue) included in the summary calculation in microseconds.

## Definition

* **Type:** Property
* **Namespace:** [Unity.IO.LowLevel.Unsafe](/engine/6000.0/script-reference/unity/io/lowlevel/unsafe.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
public float LongestReadTimeMicroseconds { get; }
```