# Interval

> The measurement interval in milliseconds that EnergyUsageReading.Energy covers, measured from the start or last reset of energy-usage tracking until the system last updated the reading.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.AdaptivePerformance](/engine/6000.7/script-reference/unityengine/adaptiveperformance.md)
* **Assembly:** UnityEngine.AdaptivePerformanceModule

```csharp
public long Interval { get; }
```